Home / 7,755.59-10,699.27-5,169.13

Finding the Fourth Proportional to 7,755.59, 10,699.27 and 5,169.13

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Solution

The fourth proportional to 7,755.59, 10,699.27 and 5,169.13 is: 7,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.59 : 10,699.27 = 5,169.13 : x
  2. Step 2: Convert to fraction form
    7,755.59/10,699.27 = 5,169.13/x
  3. Step 3: Cross multiply
    7,755.59x = 10,699.27 × 5,169.13
  4. Step 4: Simplify right side
    7,755.59x = 55,305,917.54
  5. Step 5: Solve for x
    x = 55,305,917.54/7,755.59
  6. Step 6: Final answer
    x = 7,131.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.