Home / 4,677.65-6,456.27-2,689.36

Finding the Fourth Proportional to 4,677.65, 6,456.27 and 2,689.36

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Solution

The fourth proportional to 4,677.65, 6,456.27 and 2,689.36 is: 3,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.65 : 6,456.27 = 2,689.36 : x
  2. Step 2: Convert to fraction form
    4,677.65/6,456.27 = 2,689.36/x
  3. Step 3: Cross multiply
    4,677.65x = 6,456.27 × 2,689.36
  4. Step 4: Simplify right side
    4,677.65x = 17,363,236.98
  5. Step 5: Solve for x
    x = 17,363,236.98/4,677.65
  6. Step 6: Final answer
    x = 3,711.96

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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.