Home / 8,634.36-12,951.15-2,711.11

Finding the Fourth Proportional to 8,634.36, 12,951.15 and 2,711.11

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Solution

The fourth proportional to 8,634.36, 12,951.15 and 2,711.11 is: 4,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.36 : 12,951.15 = 2,711.11 : x
  2. Step 2: Convert to fraction form
    8,634.36/12,951.15 = 2,711.11/x
  3. Step 3: Cross multiply
    8,634.36x = 12,951.15 × 2,711.11
  4. Step 4: Simplify right side
    8,634.36x = 35,111,992.28
  5. Step 5: Solve for x
    x = 35,111,992.28/8,634.36
  6. Step 6: Final answer
    x = 4,066.54

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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.