Home / 8,778.27-13,172.61-3,235.51

Finding the Fourth Proportional to 8,778.27, 13,172.61 and 3,235.51

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Solution

The fourth proportional to 8,778.27, 13,172.61 and 3,235.51 is: 4,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.27 : 13,172.61 = 3,235.51 : x
  2. Step 2: Convert to fraction form
    8,778.27/13,172.61 = 3,235.51/x
  3. Step 3: Cross multiply
    8,778.27x = 13,172.61 × 3,235.51
  4. Step 4: Simplify right side
    8,778.27x = 42,620,121.78
  5. Step 5: Solve for x
    x = 42,620,121.78/8,778.27
  6. Step 6: Final answer
    x = 4,855.18

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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.