Home / 4,077.87-6,118.69-2,915.38

Finding the Fourth Proportional to 4,077.87, 6,118.69 and 2,915.38

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Solution

The fourth proportional to 4,077.87, 6,118.69 and 2,915.38 is: 4,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.87 : 6,118.69 = 2,915.38 : x
  2. Step 2: Convert to fraction form
    4,077.87/6,118.69 = 2,915.38/x
  3. Step 3: Cross multiply
    4,077.87x = 6,118.69 × 2,915.38
  4. Step 4: Simplify right side
    4,077.87x = 17,838,306.45
  5. Step 5: Solve for x
    x = 17,838,306.45/4,077.87
  6. Step 6: Final answer
    x = 4,374.42

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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.