Home / 8,557.28-12,834.36-2,317.76

Finding the Fourth Proportional to 8,557.28, 12,834.36 and 2,317.76

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Solution

The fourth proportional to 8,557.28, 12,834.36 and 2,317.76 is: 3,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.28 : 12,834.36 = 2,317.76 : x
  2. Step 2: Convert to fraction form
    8,557.28/12,834.36 = 2,317.76/x
  3. Step 3: Cross multiply
    8,557.28x = 12,834.36 × 2,317.76
  4. Step 4: Simplify right side
    8,557.28x = 29,746,966.23
  5. Step 5: Solve for x
    x = 29,746,966.23/8,557.28
  6. Step 6: Final answer
    x = 3,476.22

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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.