Home / 6,112-8,434.57-3,317.50

Finding the Fourth Proportional to 6,112, 8,434.57 and 3,317.50

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Solution

The fourth proportional to 6,112, 8,434.57 and 3,317.50 is: 4,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112 : 8,434.57 = 3,317.50 : x
  2. Step 2: Convert to fraction form
    6,112/8,434.57 = 3,317.50/x
  3. Step 3: Cross multiply
    6,112x = 8,434.57 × 3,317.50
  4. Step 4: Simplify right side
    6,112x = 27,981,685.98
  5. Step 5: Solve for x
    x = 27,981,685.98/6,112
  6. Step 6: Final answer
    x = 4,578.16

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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.