Home / 6,626.83-9,141.22-3,972.70

Finding the Fourth Proportional to 6,626.83, 9,141.22 and 3,972.70

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Solution

The fourth proportional to 6,626.83, 9,141.22 and 3,972.70 is: 5,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.83 : 9,141.22 = 3,972.70 : x
  2. Step 2: Convert to fraction form
    6,626.83/9,141.22 = 3,972.70/x
  3. Step 3: Cross multiply
    6,626.83x = 9,141.22 × 3,972.70
  4. Step 4: Simplify right side
    6,626.83x = 36,315,324.69
  5. Step 5: Solve for x
    x = 36,315,324.69/6,626.83
  6. Step 6: Final answer
    x = 5,480.04

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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.