Home / 8,763.48-13,147.25-2,920.14

Finding the Fourth Proportional to 8,763.48, 13,147.25 and 2,920.14

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Solution

The fourth proportional to 8,763.48, 13,147.25 and 2,920.14 is: 4,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.48 : 13,147.25 = 2,920.14 : x
  2. Step 2: Convert to fraction form
    8,763.48/13,147.25 = 2,920.14/x
  3. Step 3: Cross multiply
    8,763.48x = 13,147.25 × 2,920.14
  4. Step 4: Simplify right side
    8,763.48x = 38,391,796.01
  5. Step 5: Solve for x
    x = 38,391,796.01/8,763.48
  6. Step 6: Final answer
    x = 4,380.88

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1.5x scale

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.