Home / 8,150.18-11,237.38-6,889

Finding the Fourth Proportional to 8,150.18, 11,237.38 and 6,889

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Solution

The fourth proportional to 8,150.18, 11,237.38 and 6,889 is: 9,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.18 : 11,237.38 = 6,889 : x
  2. Step 2: Convert to fraction form
    8,150.18/11,237.38 = 6,889/x
  3. Step 3: Cross multiply
    8,150.18x = 11,237.38 × 6,889
  4. Step 4: Simplify right side
    8,150.18x = 77,414,310.82
  5. Step 5: Solve for x
    x = 77,414,310.82/8,150.18
  6. Step 6: Final answer
    x = 9,498.48

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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.