Home / 8,259.18-12,387.42-3,063.84

Finding the Fourth Proportional to 8,259.18, 12,387.42 and 3,063.84

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Solution

The fourth proportional to 8,259.18, 12,387.42 and 3,063.84 is: 4,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.18 : 12,387.42 = 3,063.84 : x
  2. Step 2: Convert to fraction form
    8,259.18/12,387.42 = 3,063.84/x
  3. Step 3: Cross multiply
    8,259.18x = 12,387.42 × 3,063.84
  4. Step 4: Simplify right side
    8,259.18x = 37,953,072.89
  5. Step 5: Solve for x
    x = 37,953,072.89/8,259.18
  6. Step 6: Final answer
    x = 4,595.26

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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.