Home / 5,451.15-8,180.87-3,994.11

Finding the Fourth Proportional to 5,451.15, 8,180.87 and 3,994.11

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Solution

The fourth proportional to 5,451.15, 8,180.87 and 3,994.11 is: 5,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.15 : 8,180.87 = 3,994.11 : x
  2. Step 2: Convert to fraction form
    5,451.15/8,180.87 = 3,994.11/x
  3. Step 3: Cross multiply
    5,451.15x = 8,180.87 × 3,994.11
  4. Step 4: Simplify right side
    5,451.15x = 32,675,274.71
  5. Step 5: Solve for x
    x = 32,675,274.71/5,451.15
  6. Step 6: Final answer
    x = 5,994.20

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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.