Home / 6,398.20-8,830.17-3,566.04

Finding the Fourth Proportional to 6,398.20, 8,830.17 and 3,566.04

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Solution

The fourth proportional to 6,398.20, 8,830.17 and 3,566.04 is: 4,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398.20 : 8,830.17 = 3,566.04 : x
  2. Step 2: Convert to fraction form
    6,398.20/8,830.17 = 3,566.04/x
  3. Step 3: Cross multiply
    6,398.20x = 8,830.17 × 3,566.04
  4. Step 4: Simplify right side
    6,398.20x = 31,488,739.43
  5. Step 5: Solve for x
    x = 31,488,739.43/6,398.20
  6. Step 6: Final answer
    x = 4,921.50

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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.