Home / 6,349.17-8,766.19-3,960.08

Finding the Fourth Proportional to 6,349.17, 8,766.19 and 3,960.08

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Solution

The fourth proportional to 6,349.17, 8,766.19 and 3,960.08 is: 5,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349.17 : 8,766.19 = 3,960.08 : x
  2. Step 2: Convert to fraction form
    6,349.17/8,766.19 = 3,960.08/x
  3. Step 3: Cross multiply
    6,349.17x = 8,766.19 × 3,960.08
  4. Step 4: Simplify right side
    6,349.17x = 34,714,813.70
  5. Step 5: Solve for x
    x = 34,714,813.70/6,349.17
  6. Step 6: Final answer
    x = 5,467.61

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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.