Home / 7,079.85-10,619.78-2,149.52

Finding the Fourth Proportional to 7,079.85, 10,619.78 and 2,149.52

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Solution

The fourth proportional to 7,079.85, 10,619.78 and 2,149.52 is: 3,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.85 : 10,619.78 = 2,149.52 : x
  2. Step 2: Convert to fraction form
    7,079.85/10,619.78 = 2,149.52/x
  3. Step 3: Cross multiply
    7,079.85x = 10,619.78 × 2,149.52
  4. Step 4: Simplify right side
    7,079.85x = 22,827,365.66
  5. Step 5: Solve for x
    x = 22,827,365.66/7,079.85
  6. Step 6: Final answer
    x = 3,224.27

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Similar ratio
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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.