Home / 8,133.28-12,207.60-5,061.28

Finding the Fourth Proportional to 8,133.28, 12,207.60 and 5,061.28

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Solution

The fourth proportional to 8,133.28, 12,207.60 and 5,061.28 is: 7,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.28 : 12,207.60 = 5,061.28 : x
  2. Step 2: Convert to fraction form
    8,133.28/12,207.60 = 5,061.28/x
  3. Step 3: Cross multiply
    8,133.28x = 12,207.60 × 5,061.28
  4. Step 4: Simplify right side
    8,133.28x = 61,786,081.73
  5. Step 5: Solve for x
    x = 61,786,081.73/8,133.28
  6. Step 6: Final answer
    x = 7,596.70

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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.