Home / 8,833.28-12,200.69-6,605.01

Finding the Fourth Proportional to 8,833.28, 12,200.69 and 6,605.01

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Solution

The fourth proportional to 8,833.28, 12,200.69 and 6,605.01 is: 9,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.28 : 12,200.69 = 6,605.01 : x
  2. Step 2: Convert to fraction form
    8,833.28/12,200.69 = 6,605.01/x
  3. Step 3: Cross multiply
    8,833.28x = 12,200.69 × 6,605.01
  4. Step 4: Simplify right side
    8,833.28x = 80,585,695.97
  5. Step 5: Solve for x
    x = 80,585,695.97/8,833.28
  6. Step 6: Final answer
    x = 9,122.97

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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.