Home / 5,327.72-7,989.35-2,553.74

Finding the Fourth Proportional to 5,327.72, 7,989.35 and 2,553.74

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Solution

The fourth proportional to 5,327.72, 7,989.35 and 2,553.74 is: 3,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.72 : 7,989.35 = 2,553.74 : x
  2. Step 2: Convert to fraction form
    5,327.72/7,989.35 = 2,553.74/x
  3. Step 3: Cross multiply
    5,327.72x = 7,989.35 × 2,553.74
  4. Step 4: Simplify right side
    5,327.72x = 20,402,669.95
  5. Step 5: Solve for x
    x = 20,402,669.95/5,327.72
  6. Step 6: Final answer
    x = 3,829.53

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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.