Home / 6,517.16-8,989.58-4,279.16

Finding the Fourth Proportional to 6,517.16, 8,989.58 and 4,279.16

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Solution

The fourth proportional to 6,517.16, 8,989.58 and 4,279.16 is: 5,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.16 : 8,989.58 = 4,279.16 : x
  2. Step 2: Convert to fraction form
    6,517.16/8,989.58 = 4,279.16/x
  3. Step 3: Cross multiply
    6,517.16x = 8,989.58 × 4,279.16
  4. Step 4: Simplify right side
    6,517.16x = 38,467,851.15
  5. Step 5: Solve for x
    x = 38,467,851.15/6,517.16
  6. Step 6: Final answer
    x = 5,902.55

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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.