Home / 8,280.44-12,420.67-3,350.12

Finding the Fourth Proportional to 8,280.44, 12,420.67 and 3,350.12

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Solution

The fourth proportional to 8,280.44, 12,420.67 and 3,350.12 is: 5,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.44 : 12,420.67 = 3,350.12 : x
  2. Step 2: Convert to fraction form
    8,280.44/12,420.67 = 3,350.12/x
  3. Step 3: Cross multiply
    8,280.44x = 12,420.67 × 3,350.12
  4. Step 4: Simplify right side
    8,280.44x = 41,610,718.23
  5. Step 5: Solve for x
    x = 41,610,718.23/8,280.44
  6. Step 6: Final answer
    x = 5,025.18

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Similar ratio
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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.