Home / 5,327.18-7,991.04-2,039.12

Finding the Fourth Proportional to 5,327.18, 7,991.04 and 2,039.12

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Solution

The fourth proportional to 5,327.18, 7,991.04 and 2,039.12 is: 3,058.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.18 : 7,991.04 = 2,039.12 : x
  2. Step 2: Convert to fraction form
    5,327.18/7,991.04 = 2,039.12/x
  3. Step 3: Cross multiply
    5,327.18x = 7,991.04 × 2,039.12
  4. Step 4: Simplify right side
    5,327.18x = 16,294,689.48
  5. Step 5: Solve for x
    x = 16,294,689.48/5,327.18
  6. Step 6: Final answer
    x = 3,058.78

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1.5x scale

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.