Home / 5,551.88-8,331.91-2,630.18

Finding the Fourth Proportional to 5,551.88, 8,331.91 and 2,630.18

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Solution

The fourth proportional to 5,551.88, 8,331.91 and 2,630.18 is: 3,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.88 : 8,331.91 = 2,630.18 : x
  2. Step 2: Convert to fraction form
    5,551.88/8,331.91 = 2,630.18/x
  3. Step 3: Cross multiply
    5,551.88x = 8,331.91 × 2,630.18
  4. Step 4: Simplify right side
    5,551.88x = 21,914,437.30
  5. Step 5: Solve for x
    x = 21,914,437.30/5,551.88
  6. Step 6: Final answer
    x = 3,947.21

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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.