Home / 5,604.16-8,399.28-2,480.80

Finding the Fourth Proportional to 5,604.16, 8,399.28 and 2,480.80

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Solution

The fourth proportional to 5,604.16, 8,399.28 and 2,480.80 is: 3,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.16 : 8,399.28 = 2,480.80 : x
  2. Step 2: Convert to fraction form
    5,604.16/8,399.28 = 2,480.80/x
  3. Step 3: Cross multiply
    5,604.16x = 8,399.28 × 2,480.80
  4. Step 4: Simplify right side
    5,604.16x = 20,836,933.82
  5. Step 5: Solve for x
    x = 20,836,933.82/5,604.16
  6. Step 6: Final answer
    x = 3,718.12

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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.