Home / 6,144.22-8,479.32-3,456.28

Finding the Fourth Proportional to 6,144.22, 8,479.32 and 3,456.28

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Solution

The fourth proportional to 6,144.22, 8,479.32 and 3,456.28 is: 4,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.22 : 8,479.32 = 3,456.28 : x
  2. Step 2: Convert to fraction form
    6,144.22/8,479.32 = 3,456.28/x
  3. Step 3: Cross multiply
    6,144.22x = 8,479.32 × 3,456.28
  4. Step 4: Simplify right side
    6,144.22x = 29,306,904.13
  5. Step 5: Solve for x
    x = 29,306,904.13/6,144.22
  6. Step 6: Final answer
    x = 4,769.83

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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.