Home / 7,378.66-11,062.68-3,480.94

Finding the Fourth Proportional to 7,378.66, 11,062.68 and 3,480.94

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Solution

The fourth proportional to 7,378.66, 11,062.68 and 3,480.94 is: 5,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.66 : 11,062.68 = 3,480.94 : x
  2. Step 2: Convert to fraction form
    7,378.66/11,062.68 = 3,480.94/x
  3. Step 3: Cross multiply
    7,378.66x = 11,062.68 × 3,480.94
  4. Step 4: Simplify right side
    7,378.66x = 38,508,525.32
  5. Step 5: Solve for x
    x = 38,508,525.32/7,378.66
  6. Step 6: Final answer
    x = 5,218.90

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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.