Home / 7,763.40-11,645.10-2,569.68

Finding the Fourth Proportional to 7,763.40, 11,645.10 and 2,569.68

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Solution

The fourth proportional to 7,763.40, 11,645.10 and 2,569.68 is: 3,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.40 : 11,645.10 = 2,569.68 : x
  2. Step 2: Convert to fraction form
    7,763.40/11,645.10 = 2,569.68/x
  3. Step 3: Cross multiply
    7,763.40x = 11,645.10 × 2,569.68
  4. Step 4: Simplify right side
    7,763.40x = 29,924,180.57
  5. Step 5: Solve for x
    x = 29,924,180.57/7,763.40
  6. Step 6: Final answer
    x = 3,854.52

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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.