Home / 6,223.25-8,588.49-4,127.78

Finding the Fourth Proportional to 6,223.25, 8,588.49 and 4,127.78

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Solution

The fourth proportional to 6,223.25, 8,588.49 and 4,127.78 is: 5,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.25 : 8,588.49 = 4,127.78 : x
  2. Step 2: Convert to fraction form
    6,223.25/8,588.49 = 4,127.78/x
  3. Step 3: Cross multiply
    6,223.25x = 8,588.49 × 4,127.78
  4. Step 4: Simplify right side
    6,223.25x = 35,451,397.25
  5. Step 5: Solve for x
    x = 35,451,397.25/6,223.25
  6. Step 6: Final answer
    x = 5,696.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.