Home / 8,517.02-12,770.42-3,515.54

Finding the Fourth Proportional to 8,517.02, 12,770.42 and 3,515.54

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Solution

The fourth proportional to 8,517.02, 12,770.42 and 3,515.54 is: 5,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.02 : 12,770.42 = 3,515.54 : x
  2. Step 2: Convert to fraction form
    8,517.02/12,770.42 = 3,515.54/x
  3. Step 3: Cross multiply
    8,517.02x = 12,770.42 × 3,515.54
  4. Step 4: Simplify right side
    8,517.02x = 44,894,840.90
  5. Step 5: Solve for x
    x = 44,894,840.90/8,517.02
  6. Step 6: Final answer
    x = 5,271.19

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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.