Home / 8,768.75-13,155.30-2,612.75

Finding the Fourth Proportional to 8,768.75, 13,155.30 and 2,612.75

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Solution

The fourth proportional to 8,768.75, 13,155.30 and 2,612.75 is: 3,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.75 : 13,155.30 = 2,612.75 : x
  2. Step 2: Convert to fraction form
    8,768.75/13,155.30 = 2,612.75/x
  3. Step 3: Cross multiply
    8,768.75x = 13,155.30 × 2,612.75
  4. Step 4: Simplify right side
    8,768.75x = 34,371,510.08
  5. Step 5: Solve for x
    x = 34,371,510.08/8,768.75
  6. Step 6: Final answer
    x = 3,919.77

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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.