Home / 8,188.38-11,304.27-5,513.64

Finding the Fourth Proportional to 8,188.38, 11,304.27 and 5,513.64

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Solution

The fourth proportional to 8,188.38, 11,304.27 and 5,513.64 is: 7,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.38 : 11,304.27 = 5,513.64 : x
  2. Step 2: Convert to fraction form
    8,188.38/11,304.27 = 5,513.64/x
  3. Step 3: Cross multiply
    8,188.38x = 11,304.27 × 5,513.64
  4. Step 4: Simplify right side
    8,188.38x = 62,327,675.24
  5. Step 5: Solve for x
    x = 62,327,675.24/8,188.38
  6. Step 6: Final answer
    x = 7,611.72

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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.