Home / 5,520.48-8,278.08-2,230.80

Finding the Fourth Proportional to 5,520.48, 8,278.08 and 2,230.80

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Solution

The fourth proportional to 5,520.48, 8,278.08 and 2,230.80 is: 3,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.48 : 8,278.08 = 2,230.80 : x
  2. Step 2: Convert to fraction form
    5,520.48/8,278.08 = 2,230.80/x
  3. Step 3: Cross multiply
    5,520.48x = 8,278.08 × 2,230.80
  4. Step 4: Simplify right side
    5,520.48x = 18,466,740.86
  5. Step 5: Solve for x
    x = 18,466,740.86/5,520.48
  6. Step 6: Final answer
    x = 3,345.13

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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.