Home / 7,660.60-11,486.22-3,275.56

Finding the Fourth Proportional to 7,660.60, 11,486.22 and 3,275.56

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Solution

The fourth proportional to 7,660.60, 11,486.22 and 3,275.56 is: 4,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.60 : 11,486.22 = 3,275.56 : x
  2. Step 2: Convert to fraction form
    7,660.60/11,486.22 = 3,275.56/x
  3. Step 3: Cross multiply
    7,660.60x = 11,486.22 × 3,275.56
  4. Step 4: Simplify right side
    7,660.60x = 37,623,802.78
  5. Step 5: Solve for x
    x = 37,623,802.78/7,660.60
  6. Step 6: Final answer
    x = 4,911.34

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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.