Home / 4,353.74-6,531.51-1,431.66

Finding the Fourth Proportional to 4,353.74, 6,531.51 and 1,431.66

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Solution

The fourth proportional to 4,353.74, 6,531.51 and 1,431.66 is: 2,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.74 : 6,531.51 = 1,431.66 : x
  2. Step 2: Convert to fraction form
    4,353.74/6,531.51 = 1,431.66/x
  3. Step 3: Cross multiply
    4,353.74x = 6,531.51 × 1,431.66
  4. Step 4: Simplify right side
    4,353.74x = 9,350,901.61
  5. Step 5: Solve for x
    x = 9,350,901.61/4,353.74
  6. Step 6: Final answer
    x = 2,147.79

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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.