Home / 8,729.80-13,102.27-4,572.71

Finding the Fourth Proportional to 8,729.80, 13,102.27 and 4,572.71

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Solution

The fourth proportional to 8,729.80, 13,102.27 and 4,572.71 is: 6,863.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.80 : 13,102.27 = 4,572.71 : x
  2. Step 2: Convert to fraction form
    8,729.80/13,102.27 = 4,572.71/x
  3. Step 3: Cross multiply
    8,729.80x = 13,102.27 × 4,572.71
  4. Step 4: Simplify right side
    8,729.80x = 59,912,804.11
  5. Step 5: Solve for x
    x = 59,912,804.11/8,729.80
  6. Step 6: Final answer
    x = 6,863.02

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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.