Home / 7,079.66-10,619.94-2,149.70

Finding the Fourth Proportional to 7,079.66, 10,619.94 and 2,149.70

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Solution

The fourth proportional to 7,079.66, 10,619.94 and 2,149.70 is: 3,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.66 : 10,619.94 = 2,149.70 : x
  2. Step 2: Convert to fraction form
    7,079.66/10,619.94 = 2,149.70/x
  3. Step 3: Cross multiply
    7,079.66x = 10,619.94 × 2,149.70
  4. Step 4: Simplify right side
    7,079.66x = 22,829,685.02
  5. Step 5: Solve for x
    x = 22,829,685.02/7,079.66
  6. Step 6: Final answer
    x = 3,224.69

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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.