Home / 8,908.67-13,358.80-5,212.02

Finding the Fourth Proportional to 8,908.67, 13,358.80 and 5,212.02

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Solution

The fourth proportional to 8,908.67, 13,358.80 and 5,212.02 is: 7,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.67 : 13,358.80 = 5,212.02 : x
  2. Step 2: Convert to fraction form
    8,908.67/13,358.80 = 5,212.02/x
  3. Step 3: Cross multiply
    8,908.67x = 13,358.80 × 5,212.02
  4. Step 4: Simplify right side
    8,908.67x = 69,626,332.78
  5. Step 5: Solve for x
    x = 69,626,332.78/8,908.67
  6. Step 6: Final answer
    x = 7,815.57

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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.