Home / 9,021.64-12,449.82-5,042.75

Finding the Fourth Proportional to 9,021.64, 12,449.82 and 5,042.75

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Solution

The fourth proportional to 9,021.64, 12,449.82 and 5,042.75 is: 6,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.64 : 12,449.82 = 5,042.75 : x
  2. Step 2: Convert to fraction form
    9,021.64/12,449.82 = 5,042.75/x
  3. Step 3: Cross multiply
    9,021.64x = 12,449.82 × 5,042.75
  4. Step 4: Simplify right side
    9,021.64x = 62,781,267.56
  5. Step 5: Solve for x
    x = 62,781,267.56/9,021.64
  6. Step 6: Final answer
    x = 6,958.97

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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.