Home / 7,847.52-11,763.90-2,649.84

Finding the Fourth Proportional to 7,847.52, 11,763.90 and 2,649.84

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Solution

The fourth proportional to 7,847.52, 11,763.90 and 2,649.84 is: 3,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.52 : 11,763.90 = 2,649.84 : x
  2. Step 2: Convert to fraction form
    7,847.52/11,763.90 = 2,649.84/x
  3. Step 3: Cross multiply
    7,847.52x = 11,763.90 × 2,649.84
  4. Step 4: Simplify right side
    7,847.52x = 31,172,452.78
  5. Step 5: Solve for x
    x = 31,172,452.78/7,847.52
  6. Step 6: Final answer
    x = 3,972.27

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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.