Home / 8,077.32-11,144.13-4,891.82

Finding the Fourth Proportional to 8,077.32, 11,144.13 and 4,891.82

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Solution

The fourth proportional to 8,077.32, 11,144.13 and 4,891.82 is: 6,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.32 : 11,144.13 = 4,891.82 : x
  2. Step 2: Convert to fraction form
    8,077.32/11,144.13 = 4,891.82/x
  3. Step 3: Cross multiply
    8,077.32x = 11,144.13 × 4,891.82
  4. Step 4: Simplify right side
    8,077.32x = 54,515,062.81
  5. Step 5: Solve for x
    x = 54,515,062.81/8,077.32
  6. Step 6: Final answer
    x = 6,749.15

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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.