Home / 8,371.08-12,546-3,434.94

Finding the Fourth Proportional to 8,371.08, 12,546 and 3,434.94

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Solution

The fourth proportional to 8,371.08, 12,546 and 3,434.94 is: 5,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.08 : 12,546 = 3,434.94 : x
  2. Step 2: Convert to fraction form
    8,371.08/12,546 = 3,434.94/x
  3. Step 3: Cross multiply
    8,371.08x = 12,546 × 3,434.94
  4. Step 4: Simplify right side
    8,371.08x = 43,094,757.24
  5. Step 5: Solve for x
    x = 43,094,757.24/8,371.08
  6. Step 6: Final answer
    x = 5,148.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.