Home / 6,111.25-9,166.88-2,215.66

Finding the Fourth Proportional to 6,111.25, 9,166.88 and 2,215.66

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Solution

The fourth proportional to 6,111.25, 9,166.88 and 2,215.66 is: 3,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.25 : 9,166.88 = 2,215.66 : x
  2. Step 2: Convert to fraction form
    6,111.25/9,166.88 = 2,215.66/x
  3. Step 3: Cross multiply
    6,111.25x = 9,166.88 × 2,215.66
  4. Step 4: Simplify right side
    6,111.25x = 20,310,689.34
  5. Step 5: Solve for x
    x = 20,310,689.34/6,111.25
  6. Step 6: Final answer
    x = 3,323.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.