Home / 8,270.79-12,406.35-2,427.39

Finding the Fourth Proportional to 8,270.79, 12,406.35 and 2,427.39

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Solution

The fourth proportional to 8,270.79, 12,406.35 and 2,427.39 is: 3,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.79 : 12,406.35 = 2,427.39 : x
  2. Step 2: Convert to fraction form
    8,270.79/12,406.35 = 2,427.39/x
  3. Step 3: Cross multiply
    8,270.79x = 12,406.35 × 2,427.39
  4. Step 4: Simplify right side
    8,270.79x = 30,115,049.93
  5. Step 5: Solve for x
    x = 30,115,049.93/8,270.79
  6. Step 6: Final answer
    x = 3,641.13

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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.