Home / 6,376.75-8,799.30-4,140.54

Finding the Fourth Proportional to 6,376.75, 8,799.30 and 4,140.54

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Solution

The fourth proportional to 6,376.75, 8,799.30 and 4,140.54 is: 5,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.75 : 8,799.30 = 4,140.54 : x
  2. Step 2: Convert to fraction form
    6,376.75/8,799.30 = 4,140.54/x
  3. Step 3: Cross multiply
    6,376.75x = 8,799.30 × 4,140.54
  4. Step 4: Simplify right side
    6,376.75x = 36,433,853.62
  5. Step 5: Solve for x
    x = 36,433,853.62/6,376.75
  6. Step 6: Final answer
    x = 5,713.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.