Home / 7,079.59-10,619.79-2,149.39

Finding the Fourth Proportional to 7,079.59, 10,619.79 and 2,149.39

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Solution

The fourth proportional to 7,079.59, 10,619.79 and 2,149.39 is: 3,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.59 : 10,619.79 = 2,149.39 : x
  2. Step 2: Convert to fraction form
    7,079.59/10,619.79 = 2,149.39/x
  3. Step 3: Cross multiply
    7,079.59x = 10,619.79 × 2,149.39
  4. Step 4: Simplify right side
    7,079.59x = 22,826,070.43
  5. Step 5: Solve for x
    x = 22,826,070.43/7,079.59
  6. Step 6: Final answer
    x = 3,224.21

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Similar ratio
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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.