Home / 7,079.50-10,619.32-2,149.14

Finding the Fourth Proportional to 7,079.50, 10,619.32 and 2,149.14

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Solution

The fourth proportional to 7,079.50, 10,619.32 and 2,149.14 is: 3,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.50 : 10,619.32 = 2,149.14 : x
  2. Step 2: Convert to fraction form
    7,079.50/10,619.32 = 2,149.14/x
  3. Step 3: Cross multiply
    7,079.50x = 10,619.32 × 2,149.14
  4. Step 4: Simplify right side
    7,079.50x = 22,822,405.38
  5. Step 5: Solve for x
    x = 22,822,405.38/7,079.50
  6. Step 6: Final answer
    x = 3,223.73

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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.