Home / 10,258.30-15,387.46-2,862.78

Finding the Fourth Proportional to 10,258.30, 15,387.46 and 2,862.78

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Solution

The fourth proportional to 10,258.30, 15,387.46 and 2,862.78 is: 4,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.30 : 15,387.46 = 2,862.78 : x
  2. Step 2: Convert to fraction form
    10,258.30/15,387.46 = 2,862.78/x
  3. Step 3: Cross multiply
    10,258.30x = 15,387.46 × 2,862.78
  4. Step 4: Simplify right side
    10,258.30x = 44,050,912.74
  5. Step 5: Solve for x
    x = 44,050,912.74/10,258.30
  6. Step 6: Final answer
    x = 4,294.17

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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.