Home / 7,105.32-10,659.30-2,425.14

Finding the Fourth Proportional to 7,105.32, 10,659.30 and 2,425.14

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Solution

The fourth proportional to 7,105.32, 10,659.30 and 2,425.14 is: 3,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.32 : 10,659.30 = 2,425.14 : x
  2. Step 2: Convert to fraction form
    7,105.32/10,659.30 = 2,425.14/x
  3. Step 3: Cross multiply
    7,105.32x = 10,659.30 × 2,425.14
  4. Step 4: Simplify right side
    7,105.32x = 25,850,294.80
  5. Step 5: Solve for x
    x = 25,850,294.80/7,105.32
  6. Step 6: Final answer
    x = 3,638.16

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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.