Home / 8,908.80-13,358.61-2,983.53

Finding the Fourth Proportional to 8,908.80, 13,358.61 and 2,983.53

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Solution

The fourth proportional to 8,908.80, 13,358.61 and 2,983.53 is: 4,473.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.80 : 13,358.61 = 2,983.53 : x
  2. Step 2: Convert to fraction form
    8,908.80/13,358.61 = 2,983.53/x
  3. Step 3: Cross multiply
    8,908.80x = 13,358.61 × 2,983.53
  4. Step 4: Simplify right side
    8,908.80x = 39,855,813.69
  5. Step 5: Solve for x
    x = 39,855,813.69/8,908.80
  6. Step 6: Final answer
    x = 4,473.76

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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.