Home / 5,399.30-8,098.26-2,280.54

Finding the Fourth Proportional to 5,399.30, 8,098.26 and 2,280.54

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Solution

The fourth proportional to 5,399.30, 8,098.26 and 2,280.54 is: 3,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.30 : 8,098.26 = 2,280.54 : x
  2. Step 2: Convert to fraction form
    5,399.30/8,098.26 = 2,280.54/x
  3. Step 3: Cross multiply
    5,399.30x = 8,098.26 × 2,280.54
  4. Step 4: Simplify right side
    5,399.30x = 18,468,405.86
  5. Step 5: Solve for x
    x = 18,468,405.86/5,399.30
  6. Step 6: Final answer
    x = 3,420.52

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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.