Home / 5,272.20-7,912.19-2,498.86

Finding the Fourth Proportional to 5,272.20, 7,912.19 and 2,498.86

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Solution

The fourth proportional to 5,272.20, 7,912.19 and 2,498.86 is: 3,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.20 : 7,912.19 = 2,498.86 : x
  2. Step 2: Convert to fraction form
    5,272.20/7,912.19 = 2,498.86/x
  3. Step 3: Cross multiply
    5,272.20x = 7,912.19 × 2,498.86
  4. Step 4: Simplify right side
    5,272.20x = 19,771,455.10
  5. Step 5: Solve for x
    x = 19,771,455.10/5,272.20
  6. Step 6: Final answer
    x = 3,750.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.