Home / 5,451.93-8,179.65-2,678.04

Finding the Fourth Proportional to 5,451.93, 8,179.65 and 2,678.04

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Solution

The fourth proportional to 5,451.93, 8,179.65 and 2,678.04 is: 4,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.93 : 8,179.65 = 2,678.04 : x
  2. Step 2: Convert to fraction form
    5,451.93/8,179.65 = 2,678.04/x
  3. Step 3: Cross multiply
    5,451.93x = 8,179.65 × 2,678.04
  4. Step 4: Simplify right side
    5,451.93x = 21,905,429.89
  5. Step 5: Solve for x
    x = 21,905,429.89/5,451.93
  6. Step 6: Final answer
    x = 4,017.92

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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.