Home / 4,003.20-6,003.90-2,626.20

Finding the Fourth Proportional to 4,003.20, 6,003.90 and 2,626.20

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Solution

The fourth proportional to 4,003.20, 6,003.90 and 2,626.20 is: 3,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.20 : 6,003.90 = 2,626.20 : x
  2. Step 2: Convert to fraction form
    4,003.20/6,003.90 = 2,626.20/x
  3. Step 3: Cross multiply
    4,003.20x = 6,003.90 × 2,626.20
  4. Step 4: Simplify right side
    4,003.20x = 15,767,442.18
  5. Step 5: Solve for x
    x = 15,767,442.18/4,003.20
  6. Step 6: Final answer
    x = 3,938.71

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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.