Home / 8,517.59-11,751.53-5,159.33

Finding the Fourth Proportional to 8,517.59, 11,751.53 and 5,159.33

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Solution

The fourth proportional to 8,517.59, 11,751.53 and 5,159.33 is: 7,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.59 : 11,751.53 = 5,159.33 : x
  2. Step 2: Convert to fraction form
    8,517.59/11,751.53 = 5,159.33/x
  3. Step 3: Cross multiply
    8,517.59x = 11,751.53 × 5,159.33
  4. Step 4: Simplify right side
    8,517.59x = 60,629,975.42
  5. Step 5: Solve for x
    x = 60,629,975.42/8,517.59
  6. Step 6: Final answer
    x = 7,118.21

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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.