Home / 6,112.12-8,434.50-3,317.56

Finding the Fourth Proportional to 6,112.12, 8,434.50 and 3,317.56

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Solution

The fourth proportional to 6,112.12, 8,434.50 and 3,317.56 is: 4,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.12 : 8,434.50 = 3,317.56 : x
  2. Step 2: Convert to fraction form
    6,112.12/8,434.50 = 3,317.56/x
  3. Step 3: Cross multiply
    6,112.12x = 8,434.50 × 3,317.56
  4. Step 4: Simplify right side
    6,112.12x = 27,981,959.82
  5. Step 5: Solve for x
    x = 27,981,959.82/6,112.12
  6. Step 6: Final answer
    x = 4,578.11

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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.