Home / 8,259.22-12,392.48-3,338.47

Finding the Fourth Proportional to 8,259.22, 12,392.48 and 3,338.47

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Solution

The fourth proportional to 8,259.22, 12,392.48 and 3,338.47 is: 5,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.22 : 12,392.48 = 3,338.47 : x
  2. Step 2: Convert to fraction form
    8,259.22/12,392.48 = 3,338.47/x
  3. Step 3: Cross multiply
    8,259.22x = 12,392.48 × 3,338.47
  4. Step 4: Simplify right side
    8,259.22x = 41,371,922.71
  5. Step 5: Solve for x
    x = 41,371,922.71/8,259.22
  6. Step 6: Final answer
    x = 5,009.18

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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.