Home / 8,544.35-11,789.25-5,186.90

Finding the Fourth Proportional to 8,544.35, 11,789.25 and 5,186.90

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Solution

The fourth proportional to 8,544.35, 11,789.25 and 5,186.90 is: 7,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.35 : 11,789.25 = 5,186.90 : x
  2. Step 2: Convert to fraction form
    8,544.35/11,789.25 = 5,186.90/x
  3. Step 3: Cross multiply
    8,544.35x = 11,789.25 × 5,186.90
  4. Step 4: Simplify right side
    8,544.35x = 61,149,670.85
  5. Step 5: Solve for x
    x = 61,149,670.85/8,544.35
  6. Step 6: Final answer
    x = 7,156.74

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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.