Home / 4,118.28-6,179.46-2,557.82

Finding the Fourth Proportional to 4,118.28, 6,179.46 and 2,557.82

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Solution

The fourth proportional to 4,118.28, 6,179.46 and 2,557.82 is: 3,838.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.28 : 6,179.46 = 2,557.82 : x
  2. Step 2: Convert to fraction form
    4,118.28/6,179.46 = 2,557.82/x
  3. Step 3: Cross multiply
    4,118.28x = 6,179.46 × 2,557.82
  4. Step 4: Simplify right side
    4,118.28x = 15,805,946.38
  5. Step 5: Solve for x
    x = 15,805,946.38/4,118.28
  6. Step 6: Final answer
    x = 3,838.00

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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.