Home / 8,270.31-12,406.10-2,347.09

Finding the Fourth Proportional to 8,270.31, 12,406.10 and 2,347.09

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Solution

The fourth proportional to 8,270.31, 12,406.10 and 2,347.09 is: 3,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.31 : 12,406.10 = 2,347.09 : x
  2. Step 2: Convert to fraction form
    8,270.31/12,406.10 = 2,347.09/x
  3. Step 3: Cross multiply
    8,270.31x = 12,406.10 × 2,347.09
  4. Step 4: Simplify right side
    8,270.31x = 29,118,233.25
  5. Step 5: Solve for x
    x = 29,118,233.25/8,270.31
  6. Step 6: Final answer
    x = 3,520.82

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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.