Home / 5,480.19-8,223.03-2,560.59

Finding the Fourth Proportional to 5,480.19, 8,223.03 and 2,560.59

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Solution

The fourth proportional to 5,480.19, 8,223.03 and 2,560.59 is: 3,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.19 : 8,223.03 = 2,560.59 : x
  2. Step 2: Convert to fraction form
    5,480.19/8,223.03 = 2,560.59/x
  3. Step 3: Cross multiply
    5,480.19x = 8,223.03 × 2,560.59
  4. Step 4: Simplify right side
    5,480.19x = 21,055,808.39
  5. Step 5: Solve for x
    x = 21,055,808.39/5,480.19
  6. Step 6: Final answer
    x = 3,842.17

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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.