Home / 5,001.12-7,499.23-2,921.64

Finding the Fourth Proportional to 5,001.12, 7,499.23 and 2,921.64

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Solution

The fourth proportional to 5,001.12, 7,499.23 and 2,921.64 is: 4,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.12 : 7,499.23 = 2,921.64 : x
  2. Step 2: Convert to fraction form
    5,001.12/7,499.23 = 2,921.64/x
  3. Step 3: Cross multiply
    5,001.12x = 7,499.23 × 2,921.64
  4. Step 4: Simplify right side
    5,001.12x = 21,910,071.16
  5. Step 5: Solve for x
    x = 21,910,071.16/5,001.12
  6. Step 6: Final answer
    x = 4,381.04

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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.