Home / 5,176.85-7,758.80-4,076.87

Finding the Fourth Proportional to 5,176.85, 7,758.80 and 4,076.87

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Solution

The fourth proportional to 5,176.85, 7,758.80 and 4,076.87 is: 6,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.85 : 7,758.80 = 4,076.87 : x
  2. Step 2: Convert to fraction form
    5,176.85/7,758.80 = 4,076.87/x
  3. Step 3: Cross multiply
    5,176.85x = 7,758.80 × 4,076.87
  4. Step 4: Simplify right side
    5,176.85x = 31,631,617.97
  5. Step 5: Solve for x
    x = 31,631,617.97/5,176.85
  6. Step 6: Final answer
    x = 6,110.20

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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.