Home / 6,612.75-9,126.68-3,819.87

Finding the Fourth Proportional to 6,612.75, 9,126.68 and 3,819.87

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Solution

The fourth proportional to 6,612.75, 9,126.68 and 3,819.87 is: 5,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.75 : 9,126.68 = 3,819.87 : x
  2. Step 2: Convert to fraction form
    6,612.75/9,126.68 = 3,819.87/x
  3. Step 3: Cross multiply
    6,612.75x = 9,126.68 × 3,819.87
  4. Step 4: Simplify right side
    6,612.75x = 34,862,712.03
  5. Step 5: Solve for x
    x = 34,862,712.03/6,612.75
  6. Step 6: Final answer
    x = 5,272.04

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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.