Home / 4,000.02-5,520.33-2,231.79

Finding the Fourth Proportional to 4,000.02, 5,520.33 and 2,231.79

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Solution

The fourth proportional to 4,000.02, 5,520.33 and 2,231.79 is: 3,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.02 : 5,520.33 = 2,231.79 : x
  2. Step 2: Convert to fraction form
    4,000.02/5,520.33 = 2,231.79/x
  3. Step 3: Cross multiply
    4,000.02x = 5,520.33 × 2,231.79
  4. Step 4: Simplify right side
    4,000.02x = 12,320,217.29
  5. Step 5: Solve for x
    x = 12,320,217.29/4,000.02
  6. Step 6: Final answer
    x = 3,080.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.