Home / 8,696.87-13,045.22-2,774.39

Finding the Fourth Proportional to 8,696.87, 13,045.22 and 2,774.39

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Solution

The fourth proportional to 8,696.87, 13,045.22 and 2,774.39 is: 4,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.87 : 13,045.22 = 2,774.39 : x
  2. Step 2: Convert to fraction form
    8,696.87/13,045.22 = 2,774.39/x
  3. Step 3: Cross multiply
    8,696.87x = 13,045.22 × 2,774.39
  4. Step 4: Simplify right side
    8,696.87x = 36,192,527.92
  5. Step 5: Solve for x
    x = 36,192,527.92/8,696.87
  6. Step 6: Final answer
    x = 4,161.56

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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.