Home / 8,729.14-13,089.42-3,104.92

Finding the Fourth Proportional to 8,729.14, 13,089.42 and 3,104.92

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Solution

The fourth proportional to 8,729.14, 13,089.42 and 3,104.92 is: 4,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.14 : 13,089.42 = 3,104.92 : x
  2. Step 2: Convert to fraction form
    8,729.14/13,089.42 = 3,104.92/x
  3. Step 3: Cross multiply
    8,729.14x = 13,089.42 × 3,104.92
  4. Step 4: Simplify right side
    8,729.14x = 40,641,601.95
  5. Step 5: Solve for x
    x = 40,641,601.95/8,729.14
  6. Step 6: Final answer
    x = 4,655.85

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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.