Home / 4,576.31-6,863.85-1,289.66

Finding the Fourth Proportional to 4,576.31, 6,863.85 and 1,289.66

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Solution

The fourth proportional to 4,576.31, 6,863.85 and 1,289.66 is: 1,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.31 : 6,863.85 = 1,289.66 : x
  2. Step 2: Convert to fraction form
    4,576.31/6,863.85 = 1,289.66/x
  3. Step 3: Cross multiply
    4,576.31x = 6,863.85 × 1,289.66
  4. Step 4: Simplify right side
    4,576.31x = 8,852,049.95
  5. Step 5: Solve for x
    x = 8,852,049.95/4,576.31
  6. Step 6: Final answer
    x = 1,934.32

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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.