Home / 6,480.12-9,722.22-2,320.04

Finding the Fourth Proportional to 6,480.12, 9,722.22 and 2,320.04

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Solution

The fourth proportional to 6,480.12, 9,722.22 and 2,320.04 is: 3,480.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.12 : 9,722.22 = 2,320.04 : x
  2. Step 2: Convert to fraction form
    6,480.12/9,722.22 = 2,320.04/x
  3. Step 3: Cross multiply
    6,480.12x = 9,722.22 × 2,320.04
  4. Step 4: Simplify right side
    6,480.12x = 22,555,939.29
  5. Step 5: Solve for x
    x = 22,555,939.29/6,480.12
  6. Step 6: Final answer
    x = 3,480.79

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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.