Home / 6,344.12-9,517.10-1,961.92

Finding the Fourth Proportional to 6,344.12, 9,517.10 and 1,961.92

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Solution

The fourth proportional to 6,344.12, 9,517.10 and 1,961.92 is: 2,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,344.12 : 9,517.10 = 1,961.92 : x
  2. Step 2: Convert to fraction form
    6,344.12/9,517.10 = 1,961.92/x
  3. Step 3: Cross multiply
    6,344.12x = 9,517.10 × 1,961.92
  4. Step 4: Simplify right side
    6,344.12x = 18,671,788.83
  5. Step 5: Solve for x
    x = 18,671,788.83/6,344.12
  6. Step 6: Final answer
    x = 2,943.16

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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.