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Finding the Fourth Proportional to 7,242.57, 10,862.43 and 2,310.88

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Solution

The fourth proportional to 7,242.57, 10,862.43 and 2,310.88 is: 3,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.57 : 10,862.43 = 2,310.88 : x
  2. Step 2: Convert to fraction form
    7,242.57/10,862.43 = 2,310.88/x
  3. Step 3: Cross multiply
    7,242.57x = 10,862.43 × 2,310.88
  4. Step 4: Simplify right side
    7,242.57x = 25,101,772.24
  5. Step 5: Solve for x
    x = 25,101,772.24/7,242.57
  6. Step 6: Final answer
    x = 3,465.87

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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.