Home / 9,001.89-12,422.88-5,022.90

Finding the Fourth Proportional to 9,001.89, 12,422.88 and 5,022.90

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Solution

The fourth proportional to 9,001.89, 12,422.88 and 5,022.90 is: 6,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.89 : 12,422.88 = 5,022.90 : x
  2. Step 2: Convert to fraction form
    9,001.89/12,422.88 = 5,022.90/x
  3. Step 3: Cross multiply
    9,001.89x = 12,422.88 × 5,022.90
  4. Step 4: Simplify right side
    9,001.89x = 62,398,883.95
  5. Step 5: Solve for x
    x = 62,398,883.95/9,001.89
  6. Step 6: Final answer
    x = 6,931.75

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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.