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Finding the Fourth Proportional to 7,500.08, 10,294.78 and 7,179.32

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Solution

The fourth proportional to 7,500.08, 10,294.78 and 7,179.32 is: 9,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.08 : 10,294.78 = 7,179.32 : x
  2. Step 2: Convert to fraction form
    7,500.08/10,294.78 = 7,179.32/x
  3. Step 3: Cross multiply
    7,500.08x = 10,294.78 × 7,179.32
  4. Step 4: Simplify right side
    7,500.08x = 73,909,519.95
  5. Step 5: Solve for x
    x = 73,909,519.95/7,500.08
  6. Step 6: Final answer
    x = 9,854.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.