Home / 5,517.84-8,266.34-4,279.18

Finding the Fourth Proportional to 5,517.84, 8,266.34 and 4,279.18

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Solution

The fourth proportional to 5,517.84, 8,266.34 and 4,279.18 is: 6,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.84 : 8,266.34 = 4,279.18 : x
  2. Step 2: Convert to fraction form
    5,517.84/8,266.34 = 4,279.18/x
  3. Step 3: Cross multiply
    5,517.84x = 8,266.34 × 4,279.18
  4. Step 4: Simplify right side
    5,517.84x = 35,373,156.80
  5. Step 5: Solve for x
    x = 35,373,156.80/5,517.84
  6. Step 6: Final answer
    x = 6,410.69

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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.