Home / 7,151.17-10,729.85-3,866.59

Finding the Fourth Proportional to 7,151.17, 10,729.85 and 3,866.59

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Solution

The fourth proportional to 7,151.17, 10,729.85 and 3,866.59 is: 5,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.17 : 10,729.85 = 3,866.59 : x
  2. Step 2: Convert to fraction form
    7,151.17/10,729.85 = 3,866.59/x
  3. Step 3: Cross multiply
    7,151.17x = 10,729.85 × 3,866.59
  4. Step 4: Simplify right side
    7,151.17x = 41,487,930.71
  5. Step 5: Solve for x
    x = 41,487,930.71/7,151.17
  6. Step 6: Final answer
    x = 5,801.56

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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.