Home / 4,148.76-6,221.85-1,374.81

Finding the Fourth Proportional to 4,148.76, 6,221.85 and 1,374.81

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Solution

The fourth proportional to 4,148.76, 6,221.85 and 1,374.81 is: 2,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.76 : 6,221.85 = 1,374.81 : x
  2. Step 2: Convert to fraction form
    4,148.76/6,221.85 = 1,374.81/x
  3. Step 3: Cross multiply
    4,148.76x = 6,221.85 × 1,374.81
  4. Step 4: Simplify right side
    4,148.76x = 8,553,861.60
  5. Step 5: Solve for x
    x = 8,553,861.60/4,148.76
  6. Step 6: Final answer
    x = 2,061.79

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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.