Home / 7,425.28-11,139-2,230.48

Finding the Fourth Proportional to 7,425.28, 11,139 and 2,230.48

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Solution

The fourth proportional to 7,425.28, 11,139 and 2,230.48 is: 3,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.28 : 11,139 = 2,230.48 : x
  2. Step 2: Convert to fraction form
    7,425.28/11,139 = 2,230.48/x
  3. Step 3: Cross multiply
    7,425.28x = 11,139 × 2,230.48
  4. Step 4: Simplify right side
    7,425.28x = 24,845,316.72
  5. Step 5: Solve for x
    x = 24,845,316.72/7,425.28
  6. Step 6: Final answer
    x = 3,346.04

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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.