Home / 8,130.74-11,221.45-4,593.88

Finding the Fourth Proportional to 8,130.74, 11,221.45 and 4,593.88

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Solution

The fourth proportional to 8,130.74, 11,221.45 and 4,593.88 is: 6,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.74 : 11,221.45 = 4,593.88 : x
  2. Step 2: Convert to fraction form
    8,130.74/11,221.45 = 4,593.88/x
  3. Step 3: Cross multiply
    8,130.74x = 11,221.45 × 4,593.88
  4. Step 4: Simplify right side
    8,130.74x = 51,549,938.62
  5. Step 5: Solve for x
    x = 51,549,938.62/8,130.74
  6. Step 6: Final answer
    x = 6,340.13

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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.