Home / 4,147.68-6,221.68-1,374.52

Finding the Fourth Proportional to 4,147.68, 6,221.68 and 1,374.52

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Solution

The fourth proportional to 4,147.68, 6,221.68 and 1,374.52 is: 2,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.68 : 6,221.68 = 1,374.52 : x
  2. Step 2: Convert to fraction form
    4,147.68/6,221.68 = 1,374.52/x
  3. Step 3: Cross multiply
    4,147.68x = 6,221.68 × 1,374.52
  4. Step 4: Simplify right side
    4,147.68x = 8,551,823.59
  5. Step 5: Solve for x
    x = 8,551,823.59/4,147.68
  6. Step 6: Final answer
    x = 2,061.83

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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.