Home / 7,146.59-10,723.55-3,402.61

Finding the Fourth Proportional to 7,146.59, 10,723.55 and 3,402.61

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Solution

The fourth proportional to 7,146.59, 10,723.55 and 3,402.61 is: 5,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.59 : 10,723.55 = 3,402.61 : x
  2. Step 2: Convert to fraction form
    7,146.59/10,723.55 = 3,402.61/x
  3. Step 3: Cross multiply
    7,146.59x = 10,723.55 × 3,402.61
  4. Step 4: Simplify right side
    7,146.59x = 36,488,014.64
  5. Step 5: Solve for x
    x = 36,488,014.64/7,146.59
  6. Step 6: Final answer
    x = 5,105.65

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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.