Home / 8,880.28-13,320.38-2,305.92

Finding the Fourth Proportional to 8,880.28, 13,320.38 and 2,305.92

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Solution

The fourth proportional to 8,880.28, 13,320.38 and 2,305.92 is: 3,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.28 : 13,320.38 = 2,305.92 : x
  2. Step 2: Convert to fraction form
    8,880.28/13,320.38 = 2,305.92/x
  3. Step 3: Cross multiply
    8,880.28x = 13,320.38 × 2,305.92
  4. Step 4: Simplify right side
    8,880.28x = 30,715,730.65
  5. Step 5: Solve for x
    x = 30,715,730.65/8,880.28
  6. Step 6: Final answer
    x = 3,458.87

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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.