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Finding the Fourth Proportional to 10,608.75, 15,901.02 and 5,054.22

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Solution

The fourth proportional to 10,608.75, 15,901.02 and 5,054.22 is: 7,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.75 : 15,901.02 = 5,054.22 : x
  2. Step 2: Convert to fraction form
    10,608.75/15,901.02 = 5,054.22/x
  3. Step 3: Cross multiply
    10,608.75x = 15,901.02 × 5,054.22
  4. Step 4: Simplify right side
    10,608.75x = 80,367,253.30
  5. Step 5: Solve for x
    x = 80,367,253.30/10,608.75
  6. Step 6: Final answer
    x = 7,575.56

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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.