Home / 4,287-5,916.12-2,631

Finding the Fourth Proportional to 4,287, 5,916.12 and 2,631

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Solution

The fourth proportional to 4,287, 5,916.12 and 2,631 is: 3,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287 : 5,916.12 = 2,631 : x
  2. Step 2: Convert to fraction form
    4,287/5,916.12 = 2,631/x
  3. Step 3: Cross multiply
    4,287x = 5,916.12 × 2,631
  4. Step 4: Simplify right side
    4,287x = 15,565,311.72
  5. Step 5: Solve for x
    x = 15,565,311.72/4,287
  6. Step 6: Final answer
    x = 3,630.82

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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.