Home / 5,142.27-7,098.20-3,374.45

Finding the Fourth Proportional to 5,142.27, 7,098.20 and 3,374.45

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Solution

The fourth proportional to 5,142.27, 7,098.20 and 3,374.45 is: 4,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.27 : 7,098.20 = 3,374.45 : x
  2. Step 2: Convert to fraction form
    5,142.27/7,098.20 = 3,374.45/x
  3. Step 3: Cross multiply
    5,142.27x = 7,098.20 × 3,374.45
  4. Step 4: Simplify right side
    5,142.27x = 23,952,520.99
  5. Step 5: Solve for x
    x = 23,952,520.99/5,142.27
  6. Step 6: Final answer
    x = 4,657.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.