Home / 6,631.20-9,932.64-5,053.76

Finding the Fourth Proportional to 6,631.20, 9,932.64 and 5,053.76

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Solution

The fourth proportional to 6,631.20, 9,932.64 and 5,053.76 is: 7,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.20 : 9,932.64 = 5,053.76 : x
  2. Step 2: Convert to fraction form
    6,631.20/9,932.64 = 5,053.76/x
  3. Step 3: Cross multiply
    6,631.20x = 9,932.64 × 5,053.76
  4. Step 4: Simplify right side
    6,631.20x = 50,197,178.73
  5. Step 5: Solve for x
    x = 50,197,178.73/6,631.20
  6. Step 6: Final answer
    x = 7,569.85

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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.