Home / 5,454.11-8,181.15-1,756.62

Finding the Fourth Proportional to 5,454.11, 8,181.15 and 1,756.62

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Solution

The fourth proportional to 5,454.11, 8,181.15 and 1,756.62 is: 2,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.11 : 8,181.15 = 1,756.62 : x
  2. Step 2: Convert to fraction form
    5,454.11/8,181.15 = 1,756.62/x
  3. Step 3: Cross multiply
    5,454.11x = 8,181.15 × 1,756.62
  4. Step 4: Simplify right side
    5,454.11x = 14,371,171.71
  5. Step 5: Solve for x
    x = 14,371,171.71/5,454.11
  6. Step 6: Final answer
    x = 2,634.93

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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.