Home / 7,669.48-11,494.60-3,281.78

Finding the Fourth Proportional to 7,669.48, 11,494.60 and 3,281.78

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Solution

The fourth proportional to 7,669.48, 11,494.60 and 3,281.78 is: 4,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.48 : 11,494.60 = 3,281.78 : x
  2. Step 2: Convert to fraction form
    7,669.48/11,494.60 = 3,281.78/x
  3. Step 3: Cross multiply
    7,669.48x = 11,494.60 × 3,281.78
  4. Step 4: Simplify right side
    7,669.48x = 37,722,748.39
  5. Step 5: Solve for x
    x = 37,722,748.39/7,669.48
  6. Step 6: Final answer
    x = 4,918.55

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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.