Home / 8,207.83-12,303.24-3,821.68

Finding the Fourth Proportional to 8,207.83, 12,303.24 and 3,821.68

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Solution

The fourth proportional to 8,207.83, 12,303.24 and 3,821.68 is: 5,728.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.83 : 12,303.24 = 3,821.68 : x
  2. Step 2: Convert to fraction form
    8,207.83/12,303.24 = 3,821.68/x
  3. Step 3: Cross multiply
    8,207.83x = 12,303.24 × 3,821.68
  4. Step 4: Simplify right side
    8,207.83x = 47,019,046.24
  5. Step 5: Solve for x
    x = 47,019,046.24/8,207.83
  6. Step 6: Final answer
    x = 5,728.56

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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.