Home / 6,877.78-10,318.53-3,176.98

Finding the Fourth Proportional to 6,877.78, 10,318.53 and 3,176.98

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Solution

The fourth proportional to 6,877.78, 10,318.53 and 3,176.98 is: 4,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.78 : 10,318.53 = 3,176.98 : x
  2. Step 2: Convert to fraction form
    6,877.78/10,318.53 = 3,176.98/x
  3. Step 3: Cross multiply
    6,877.78x = 10,318.53 × 3,176.98
  4. Step 4: Simplify right side
    6,877.78x = 32,781,763.44
  5. Step 5: Solve for x
    x = 32,781,763.44/6,877.78
  6. Step 6: Final answer
    x = 4,766.33

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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.