Home / 5,200.22-7,800.33-1,304.61

Finding the Fourth Proportional to 5,200.22, 7,800.33 and 1,304.61

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Solution

The fourth proportional to 5,200.22, 7,800.33 and 1,304.61 is: 1,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.22 : 7,800.33 = 1,304.61 : x
  2. Step 2: Convert to fraction form
    5,200.22/7,800.33 = 1,304.61/x
  3. Step 3: Cross multiply
    5,200.22x = 7,800.33 × 1,304.61
  4. Step 4: Simplify right side
    5,200.22x = 10,176,388.52
  5. Step 5: Solve for x
    x = 10,176,388.52/5,200.22
  6. Step 6: Final answer
    x = 1,956.92

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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.