Home / 9,449.64-13,040.49-5,257.89

Finding the Fourth Proportional to 9,449.64, 13,040.49 and 5,257.89

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Solution

The fourth proportional to 9,449.64, 13,040.49 and 5,257.89 is: 7,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,449.64 : 13,040.49 = 5,257.89 : x
  2. Step 2: Convert to fraction form
    9,449.64/13,040.49 = 5,257.89/x
  3. Step 3: Cross multiply
    9,449.64x = 13,040.49 × 5,257.89
  4. Step 4: Simplify right side
    9,449.64x = 68,565,461.97
  5. Step 5: Solve for x
    x = 68,565,461.97/9,449.64
  6. Step 6: Final answer
    x = 7,255.88

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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.