Home / 7,575.13-11,352.19-5,724.73

Finding the Fourth Proportional to 7,575.13, 11,352.19 and 5,724.73

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Solution

The fourth proportional to 7,575.13, 11,352.19 and 5,724.73 is: 8,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.13 : 11,352.19 = 5,724.73 : x
  2. Step 2: Convert to fraction form
    7,575.13/11,352.19 = 5,724.73/x
  3. Step 3: Cross multiply
    7,575.13x = 11,352.19 × 5,724.73
  4. Step 4: Simplify right side
    7,575.13x = 64,988,222.66
  5. Step 5: Solve for x
    x = 64,988,222.66/7,575.13
  6. Step 6: Final answer
    x = 8,579.16

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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.