Home / 7,410.38-11,110.10-4,488.03

Finding the Fourth Proportional to 7,410.38, 11,110.10 and 4,488.03

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Solution

The fourth proportional to 7,410.38, 11,110.10 and 4,488.03 is: 6,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.38 : 11,110.10 = 4,488.03 : x
  2. Step 2: Convert to fraction form
    7,410.38/11,110.10 = 4,488.03/x
  3. Step 3: Cross multiply
    7,410.38x = 11,110.10 × 4,488.03
  4. Step 4: Simplify right side
    7,410.38x = 49,862,439.66
  5. Step 5: Solve for x
    x = 49,862,439.66/7,410.38
  6. Step 6: Final answer
    x = 6,728.73

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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.