Home / 5,279.91-7,915.07-2,200.23

Finding the Fourth Proportional to 5,279.91, 7,915.07 and 2,200.23

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Solution

The fourth proportional to 5,279.91, 7,915.07 and 2,200.23 is: 3,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.91 : 7,915.07 = 2,200.23 : x
  2. Step 2: Convert to fraction form
    5,279.91/7,915.07 = 2,200.23/x
  3. Step 3: Cross multiply
    5,279.91x = 7,915.07 × 2,200.23
  4. Step 4: Simplify right side
    5,279.91x = 17,414,963.46
  5. Step 5: Solve for x
    x = 17,414,963.46/5,279.91
  6. Step 6: Final answer
    x = 3,298.34

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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.