Home / 10,252.28-15,377.96-2,857.12

Finding the Fourth Proportional to 10,252.28, 15,377.96 and 2,857.12

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Solution

The fourth proportional to 10,252.28, 15,377.96 and 2,857.12 is: 4,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.28 : 15,377.96 = 2,857.12 : x
  2. Step 2: Convert to fraction form
    10,252.28/15,377.96 = 2,857.12/x
  3. Step 3: Cross multiply
    10,252.28x = 15,377.96 × 2,857.12
  4. Step 4: Simplify right side
    10,252.28x = 43,936,677.08
  5. Step 5: Solve for x
    x = 43,936,677.08/10,252.28
  6. Step 6: Final answer
    x = 4,285.55

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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.