Home / 8,130.49-11,221.11-4,593.63

Finding the Fourth Proportional to 8,130.49, 11,221.11 and 4,593.63

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Solution

The fourth proportional to 8,130.49, 11,221.11 and 4,593.63 is: 6,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.49 : 11,221.11 = 4,593.63 : x
  2. Step 2: Convert to fraction form
    8,130.49/11,221.11 = 4,593.63/x
  3. Step 3: Cross multiply
    8,130.49x = 11,221.11 × 4,593.63
  4. Step 4: Simplify right side
    8,130.49x = 51,545,559.94
  5. Step 5: Solve for x
    x = 51,545,559.94/8,130.49
  6. Step 6: Final answer
    x = 6,339.79

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