Home / 7,517.81-11,277.32-2,587.44

Finding the Fourth Proportional to 7,517.81, 11,277.32 and 2,587.44

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Solution

The fourth proportional to 7,517.81, 11,277.32 and 2,587.44 is: 3,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.81 : 11,277.32 = 2,587.44 : x
  2. Step 2: Convert to fraction form
    7,517.81/11,277.32 = 2,587.44/x
  3. Step 3: Cross multiply
    7,517.81x = 11,277.32 × 2,587.44
  4. Step 4: Simplify right side
    7,517.81x = 29,179,375.92
  5. Step 5: Solve for x
    x = 29,179,375.92/7,517.81
  6. Step 6: Final answer
    x = 3,881.37

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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.