Home / 8,743.17-12,059.28-5,381.55

Finding the Fourth Proportional to 8,743.17, 12,059.28 and 5,381.55

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Solution

The fourth proportional to 8,743.17, 12,059.28 and 5,381.55 is: 7,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.17 : 12,059.28 = 5,381.55 : x
  2. Step 2: Convert to fraction form
    8,743.17/12,059.28 = 5,381.55/x
  3. Step 3: Cross multiply
    8,743.17x = 12,059.28 × 5,381.55
  4. Step 4: Simplify right side
    8,743.17x = 64,897,618.28
  5. Step 5: Solve for x
    x = 64,897,618.28/8,743.17
  6. Step 6: Final answer
    x = 7,422.66

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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.