Home / 5,517.56-8,280.46-4,115.18

Finding the Fourth Proportional to 5,517.56, 8,280.46 and 4,115.18

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Solution

The fourth proportional to 5,517.56, 8,280.46 and 4,115.18 is: 6,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.56 : 8,280.46 = 4,115.18 : x
  2. Step 2: Convert to fraction form
    5,517.56/8,280.46 = 4,115.18/x
  3. Step 3: Cross multiply
    5,517.56x = 8,280.46 × 4,115.18
  4. Step 4: Simplify right side
    5,517.56x = 34,075,583.38
  5. Step 5: Solve for x
    x = 34,075,583.38/5,517.56
  6. Step 6: Final answer
    x = 6,175.84

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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.