Home / 7,332.52-10,115.30-4,187.88

Finding the Fourth Proportional to 7,332.52, 10,115.30 and 4,187.88

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Solution

The fourth proportional to 7,332.52, 10,115.30 and 4,187.88 is: 5,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.52 : 10,115.30 = 4,187.88 : x
  2. Step 2: Convert to fraction form
    7,332.52/10,115.30 = 4,187.88/x
  3. Step 3: Cross multiply
    7,332.52x = 10,115.30 × 4,187.88
  4. Step 4: Simplify right side
    7,332.52x = 42,361,662.56
  5. Step 5: Solve for x
    x = 42,361,662.56/7,332.52
  6. Step 6: Final answer
    x = 5,777.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.