Home / 9,422.28-13,002.96-5,230.80

Finding the Fourth Proportional to 9,422.28, 13,002.96 and 5,230.80

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Solution

The fourth proportional to 9,422.28, 13,002.96 and 5,230.80 is: 7,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.28 : 13,002.96 = 5,230.80 : x
  2. Step 2: Convert to fraction form
    9,422.28/13,002.96 = 5,230.80/x
  3. Step 3: Cross multiply
    9,422.28x = 13,002.96 × 5,230.80
  4. Step 4: Simplify right side
    9,422.28x = 68,015,883.17
  5. Step 5: Solve for x
    x = 68,015,883.17/9,422.28
  6. Step 6: Final answer
    x = 7,218.62

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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.