Home / 5,385.48-8,079.52-1,874.97

Finding the Fourth Proportional to 5,385.48, 8,079.52 and 1,874.97

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Solution

The fourth proportional to 5,385.48, 8,079.52 and 1,874.97 is: 2,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.48 : 8,079.52 = 1,874.97 : x
  2. Step 2: Convert to fraction form
    5,385.48/8,079.52 = 1,874.97/x
  3. Step 3: Cross multiply
    5,385.48x = 8,079.52 × 1,874.97
  4. Step 4: Simplify right side
    5,385.48x = 15,148,857.61
  5. Step 5: Solve for x
    x = 15,148,857.61/5,385.48
  6. Step 6: Final answer
    x = 2,812.91

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1.5x scale

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.