Home / 7,231.30-9,980.24-4,248.76

Finding the Fourth Proportional to 7,231.30, 9,980.24 and 4,248.76

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Solution

The fourth proportional to 7,231.30, 9,980.24 and 4,248.76 is: 5,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.30 : 9,980.24 = 4,248.76 : x
  2. Step 2: Convert to fraction form
    7,231.30/9,980.24 = 4,248.76/x
  3. Step 3: Cross multiply
    7,231.30x = 9,980.24 × 4,248.76
  4. Step 4: Simplify right side
    7,231.30x = 42,403,644.50
  5. Step 5: Solve for x
    x = 42,403,644.50/7,231.30
  6. Step 6: Final answer
    x = 5,863.90

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Half scale
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1.5x scale

Why These Related Problems?

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