Home / 7,748.25-11,617.51-5,112.96

Finding the Fourth Proportional to 7,748.25, 11,617.51 and 5,112.96

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Solution

The fourth proportional to 7,748.25, 11,617.51 and 5,112.96 is: 7,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.25 : 11,617.51 = 5,112.96 : x
  2. Step 2: Convert to fraction form
    7,748.25/11,617.51 = 5,112.96/x
  3. Step 3: Cross multiply
    7,748.25x = 11,617.51 × 5,112.96
  4. Step 4: Simplify right side
    7,748.25x = 59,399,863.93
  5. Step 5: Solve for x
    x = 59,399,863.93/7,748.25
  6. Step 6: Final answer
    x = 7,666.23

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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.