Home / 5,505.50-8,258.36-1,998

Finding the Fourth Proportional to 5,505.50, 8,258.36 and 1,998

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Solution

The fourth proportional to 5,505.50, 8,258.36 and 1,998 is: 2,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.50 : 8,258.36 = 1,998 : x
  2. Step 2: Convert to fraction form
    5,505.50/8,258.36 = 1,998/x
  3. Step 3: Cross multiply
    5,505.50x = 8,258.36 × 1,998
  4. Step 4: Simplify right side
    5,505.50x = 16,500,193.29
  5. Step 5: Solve for x
    x = 16,500,193.29/5,505.50
  6. Step 6: Final answer
    x = 2,997.04

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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.