Home / 5,612.90-8,414.78-2,100.94

Finding the Fourth Proportional to 5,612.90, 8,414.78 and 2,100.94

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Solution

The fourth proportional to 5,612.90, 8,414.78 and 2,100.94 is: 3,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.90 : 8,414.78 = 2,100.94 : x
  2. Step 2: Convert to fraction form
    5,612.90/8,414.78 = 2,100.94/x
  3. Step 3: Cross multiply
    5,612.90x = 8,414.78 × 2,100.94
  4. Step 4: Simplify right side
    5,612.90x = 17,678,923.73
  5. Step 5: Solve for x
    x = 17,678,923.73/5,612.90
  6. Step 6: Final answer
    x = 3,149.70

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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.