Home / 7,689.76-11,537.49-3,248.56

Finding the Fourth Proportional to 7,689.76, 11,537.49 and 3,248.56

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Solution

The fourth proportional to 7,689.76, 11,537.49 and 3,248.56 is: 4,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.76 : 11,537.49 = 3,248.56 : x
  2. Step 2: Convert to fraction form
    7,689.76/11,537.49 = 3,248.56/x
  3. Step 3: Cross multiply
    7,689.76x = 11,537.49 × 3,248.56
  4. Step 4: Simplify right side
    7,689.76x = 37,480,228.51
  5. Step 5: Solve for x
    x = 37,480,228.51/7,689.76
  6. Step 6: Final answer
    x = 4,874.04

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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.