Home / 8,591.57-12,864.26-5,454.59

Finding the Fourth Proportional to 8,591.57, 12,864.26 and 5,454.59

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Solution

The fourth proportional to 8,591.57, 12,864.26 and 5,454.59 is: 8,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.57 : 12,864.26 = 5,454.59 : x
  2. Step 2: Convert to fraction form
    8,591.57/12,864.26 = 5,454.59/x
  3. Step 3: Cross multiply
    8,591.57x = 12,864.26 × 5,454.59
  4. Step 4: Simplify right side
    8,591.57x = 70,169,263.95
  5. Step 5: Solve for x
    x = 70,169,263.95/8,591.57
  6. Step 6: Final answer
    x = 8,167.22

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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.