Home / 9,021.38-12,454.97-5,883.03

Finding the Fourth Proportional to 9,021.38, 12,454.97 and 5,883.03

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Solution

The fourth proportional to 9,021.38, 12,454.97 and 5,883.03 is: 8,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.38 : 12,454.97 = 5,883.03 : x
  2. Step 2: Convert to fraction form
    9,021.38/12,454.97 = 5,883.03/x
  3. Step 3: Cross multiply
    9,021.38x = 12,454.97 × 5,883.03
  4. Step 4: Simplify right side
    9,021.38x = 73,272,932.74
  5. Step 5: Solve for x
    x = 73,272,932.74/9,021.38
  6. Step 6: Final answer
    x = 8,122.15

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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.