Home / 5,388.81-8,084.13-2,758.04

Finding the Fourth Proportional to 5,388.81, 8,084.13 and 2,758.04

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Solution

The fourth proportional to 5,388.81, 8,084.13 and 2,758.04 is: 4,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.81 : 8,084.13 = 2,758.04 : x
  2. Step 2: Convert to fraction form
    5,388.81/8,084.13 = 2,758.04/x
  3. Step 3: Cross multiply
    5,388.81x = 8,084.13 × 2,758.04
  4. Step 4: Simplify right side
    5,388.81x = 22,296,353.91
  5. Step 5: Solve for x
    x = 22,296,353.91/5,388.81
  6. Step 6: Final answer
    x = 4,137.53

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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.