Home / 5,550-8,328.65-2,087.25

Finding the Fourth Proportional to 5,550, 8,328.65 and 2,087.25

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Solution

The fourth proportional to 5,550, 8,328.65 and 2,087.25 is: 3,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550 : 8,328.65 = 2,087.25 : x
  2. Step 2: Convert to fraction form
    5,550/8,328.65 = 2,087.25/x
  3. Step 3: Cross multiply
    5,550x = 8,328.65 × 2,087.25
  4. Step 4: Simplify right side
    5,550x = 17,383,964.28
  5. Step 5: Solve for x
    x = 17,383,964.28/5,550
  6. Step 6: Final answer
    x = 3,132.25

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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.