Home / 5,520.60-8,278.20-2,400.48

Finding the Fourth Proportional to 5,520.60, 8,278.20 and 2,400.48

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Solution

The fourth proportional to 5,520.60, 8,278.20 and 2,400.48 is: 3,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.60 : 8,278.20 = 2,400.48 : x
  2. Step 2: Convert to fraction form
    5,520.60/8,278.20 = 2,400.48/x
  3. Step 3: Cross multiply
    5,520.60x = 8,278.20 × 2,400.48
  4. Step 4: Simplify right side
    5,520.60x = 19,871,653.54
  5. Step 5: Solve for x
    x = 19,871,653.54/5,520.60
  6. Step 6: Final answer
    x = 3,599.55

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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.