Home / 6,612.29-9,909.42-3,327.64

Finding the Fourth Proportional to 6,612.29, 9,909.42 and 3,327.64

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Solution

The fourth proportional to 6,612.29, 9,909.42 and 3,327.64 is: 4,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.29 : 9,909.42 = 3,327.64 : x
  2. Step 2: Convert to fraction form
    6,612.29/9,909.42 = 3,327.64/x
  3. Step 3: Cross multiply
    6,612.29x = 9,909.42 × 3,327.64
  4. Step 4: Simplify right side
    6,612.29x = 32,974,957.60
  5. Step 5: Solve for x
    x = 32,974,957.60/6,612.29
  6. Step 6: Final answer
    x = 4,986.92

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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.