Home / 8,239.20-12,365.28-3,046.56

Finding the Fourth Proportional to 8,239.20, 12,365.28 and 3,046.56

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Solution

The fourth proportional to 8,239.20, 12,365.28 and 3,046.56 is: 4,572.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.20 : 12,365.28 = 3,046.56 : x
  2. Step 2: Convert to fraction form
    8,239.20/12,365.28 = 3,046.56/x
  3. Step 3: Cross multiply
    8,239.20x = 12,365.28 × 3,046.56
  4. Step 4: Simplify right side
    8,239.20x = 37,671,567.44
  5. Step 5: Solve for x
    x = 37,671,567.44/8,239.20
  6. Step 6: Final answer
    x = 4,572.24

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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.