Home / 5,399.44-8,100.74-2,280.76

Finding the Fourth Proportional to 5,399.44, 8,100.74 and 2,280.76

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Solution

The fourth proportional to 5,399.44, 8,100.74 and 2,280.76 is: 3,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.44 : 8,100.74 = 2,280.76 : x
  2. Step 2: Convert to fraction form
    5,399.44/8,100.74 = 2,280.76/x
  3. Step 3: Cross multiply
    5,399.44x = 8,100.74 × 2,280.76
  4. Step 4: Simplify right side
    5,399.44x = 18,475,843.76
  5. Step 5: Solve for x
    x = 18,475,843.76/5,399.44
  6. Step 6: Final answer
    x = 3,421.81

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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.