Home / 8,134.86-12,202.47-2,291.34

Finding the Fourth Proportional to 8,134.86, 12,202.47 and 2,291.34

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Solution

The fourth proportional to 8,134.86, 12,202.47 and 2,291.34 is: 3,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.86 : 12,202.47 = 2,291.34 : x
  2. Step 2: Convert to fraction form
    8,134.86/12,202.47 = 2,291.34/x
  3. Step 3: Cross multiply
    8,134.86x = 12,202.47 × 2,291.34
  4. Step 4: Simplify right side
    8,134.86x = 27,960,007.61
  5. Step 5: Solve for x
    x = 27,960,007.61/8,134.86
  6. Step 6: Final answer
    x = 3,437.06

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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.