Home / 6,398.73-9,585.68-4,200.80

Finding the Fourth Proportional to 6,398.73, 9,585.68 and 4,200.80

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Solution

The fourth proportional to 6,398.73, 9,585.68 and 4,200.80 is: 6,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398.73 : 9,585.68 = 4,200.80 : x
  2. Step 2: Convert to fraction form
    6,398.73/9,585.68 = 4,200.80/x
  3. Step 3: Cross multiply
    6,398.73x = 9,585.68 × 4,200.80
  4. Step 4: Simplify right side
    6,398.73x = 40,267,455.61
  5. Step 5: Solve for x
    x = 40,267,455.61/6,398.73
  6. Step 6: Final answer
    x = 6,293.04

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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.