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Finding the Fourth Proportional to 10,517.52, 15,775.52 and 2,726.08

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Solution

The fourth proportional to 10,517.52, 15,775.52 and 2,726.08 is: 4,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.52 : 15,775.52 = 2,726.08 : x
  2. Step 2: Convert to fraction form
    10,517.52/15,775.52 = 2,726.08/x
  3. Step 3: Cross multiply
    10,517.52x = 15,775.52 × 2,726.08
  4. Step 4: Simplify right side
    10,517.52x = 43,005,329.56
  5. Step 5: Solve for x
    x = 43,005,329.56/10,517.52
  6. Step 6: Final answer
    x = 4,088.92

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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.