Home / 5,257.77-7,255.67-2,899.92

Finding the Fourth Proportional to 5,257.77, 7,255.67 and 2,899.92

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Solution

The fourth proportional to 5,257.77, 7,255.67 and 2,899.92 is: 4,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.77 : 7,255.67 = 2,899.92 : x
  2. Step 2: Convert to fraction form
    5,257.77/7,255.67 = 2,899.92/x
  3. Step 3: Cross multiply
    5,257.77x = 7,255.67 × 2,899.92
  4. Step 4: Simplify right side
    5,257.77x = 21,040,862.55
  5. Step 5: Solve for x
    x = 21,040,862.55/5,257.77
  6. Step 6: Final answer
    x = 4,001.86

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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.