Home / 7,517.47-11,268.33-2,518.58

Finding the Fourth Proportional to 7,517.47, 11,268.33 and 2,518.58

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Solution

The fourth proportional to 7,517.47, 11,268.33 and 2,518.58 is: 3,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.47 : 11,268.33 = 2,518.58 : x
  2. Step 2: Convert to fraction form
    7,517.47/11,268.33 = 2,518.58/x
  3. Step 3: Cross multiply
    7,517.47x = 11,268.33 × 2,518.58
  4. Step 4: Simplify right side
    7,517.47x = 28,380,190.57
  5. Step 5: Solve for x
    x = 28,380,190.57/7,517.47
  6. Step 6: Final answer
    x = 3,775.23

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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.