Home / 7,717.66-11,554.60-5,248.78

Finding the Fourth Proportional to 7,717.66, 11,554.60 and 5,248.78

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Solution

The fourth proportional to 7,717.66, 11,554.60 and 5,248.78 is: 7,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.66 : 11,554.60 = 5,248.78 : x
  2. Step 2: Convert to fraction form
    7,717.66/11,554.60 = 5,248.78/x
  3. Step 3: Cross multiply
    7,717.66x = 11,554.60 × 5,248.78
  4. Step 4: Simplify right side
    7,717.66x = 60,647,553.39
  5. Step 5: Solve for x
    x = 60,647,553.39/7,717.66
  6. Step 6: Final answer
    x = 7,858.28

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1.5x scale

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.