Home / 7,512.86-11,215.54-6,528.98

Finding the Fourth Proportional to 7,512.86, 11,215.54 and 6,528.98

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Solution

The fourth proportional to 7,512.86, 11,215.54 and 6,528.98 is: 9,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.86 : 11,215.54 = 6,528.98 : x
  2. Step 2: Convert to fraction form
    7,512.86/11,215.54 = 6,528.98/x
  3. Step 3: Cross multiply
    7,512.86x = 11,215.54 × 6,528.98
  4. Step 4: Simplify right side
    7,512.86x = 73,226,036.35
  5. Step 5: Solve for x
    x = 73,226,036.35/7,512.86
  6. Step 6: Final answer
    x = 9,746.76

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Find fourth proportional to 3,756.43, 5,607.77 and 3,264.49
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.