Home / 7,659.05-11,487.31-4,755.29

Finding the Fourth Proportional to 7,659.05, 11,487.31 and 4,755.29

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Solution

The fourth proportional to 7,659.05, 11,487.31 and 4,755.29 is: 7,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.05 : 11,487.31 = 4,755.29 : x
  2. Step 2: Convert to fraction form
    7,659.05/11,487.31 = 4,755.29/x
  3. Step 3: Cross multiply
    7,659.05x = 11,487.31 × 4,755.29
  4. Step 4: Simplify right side
    7,659.05x = 54,625,421.05
  5. Step 5: Solve for x
    x = 54,625,421.05/7,659.05
  6. Step 6: Final answer
    x = 7,132.15

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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.