Home / 8,262.35-11,397.81-5,275.04

Finding the Fourth Proportional to 8,262.35, 11,397.81 and 5,275.04

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Solution

The fourth proportional to 8,262.35, 11,397.81 and 5,275.04 is: 7,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.35 : 11,397.81 = 5,275.04 : x
  2. Step 2: Convert to fraction form
    8,262.35/11,397.81 = 5,275.04/x
  3. Step 3: Cross multiply
    8,262.35x = 11,397.81 × 5,275.04
  4. Step 4: Simplify right side
    8,262.35x = 60,123,930.57
  5. Step 5: Solve for x
    x = 60,123,930.57/8,262.35
  6. Step 6: Final answer
    x = 7,276.86

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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.