Home / 8,717.39-13,073.34-3,785.70

Finding the Fourth Proportional to 8,717.39, 13,073.34 and 3,785.70

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Solution

The fourth proportional to 8,717.39, 13,073.34 and 3,785.70 is: 5,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.39 : 13,073.34 = 3,785.70 : x
  2. Step 2: Convert to fraction form
    8,717.39/13,073.34 = 3,785.70/x
  3. Step 3: Cross multiply
    8,717.39x = 13,073.34 × 3,785.70
  4. Step 4: Simplify right side
    8,717.39x = 49,491,806.46
  5. Step 5: Solve for x
    x = 49,491,806.46/8,717.39
  6. Step 6: Final answer
    x = 5,677.37

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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.