Home / 5,388.98-8,087.80-2,792.66

Finding the Fourth Proportional to 5,388.98, 8,087.80 and 2,792.66

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Solution

The fourth proportional to 5,388.98, 8,087.80 and 2,792.66 is: 4,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.98 : 8,087.80 = 2,792.66 : x
  2. Step 2: Convert to fraction form
    5,388.98/8,087.80 = 2,792.66/x
  3. Step 3: Cross multiply
    5,388.98x = 8,087.80 × 2,792.66
  4. Step 4: Simplify right side
    5,388.98x = 22,586,475.55
  5. Step 5: Solve for x
    x = 22,586,475.55/5,388.98
  6. Step 6: Final answer
    x = 4,191.23

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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.