Home / 7,763.28-11,644.80-2,569.56

Finding the Fourth Proportional to 7,763.28, 11,644.80 and 2,569.56

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Solution

The fourth proportional to 7,763.28, 11,644.80 and 2,569.56 is: 3,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.28 : 11,644.80 = 2,569.56 : x
  2. Step 2: Convert to fraction form
    7,763.28/11,644.80 = 2,569.56/x
  3. Step 3: Cross multiply
    7,763.28x = 11,644.80 × 2,569.56
  4. Step 4: Simplify right side
    7,763.28x = 29,922,012.29
  5. Step 5: Solve for x
    x = 29,922,012.29/7,763.28
  6. Step 6: Final answer
    x = 3,854.30

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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.