Home / 8,151.81-12,226.11-2,603.66

Finding the Fourth Proportional to 8,151.81, 12,226.11 and 2,603.66

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Solution

The fourth proportional to 8,151.81, 12,226.11 and 2,603.66 is: 3,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.81 : 12,226.11 = 2,603.66 : x
  2. Step 2: Convert to fraction form
    8,151.81/12,226.11 = 2,603.66/x
  3. Step 3: Cross multiply
    8,151.81x = 12,226.11 × 2,603.66
  4. Step 4: Simplify right side
    8,151.81x = 31,832,562.67
  5. Step 5: Solve for x
    x = 31,832,562.67/8,151.81
  6. Step 6: Final answer
    x = 3,904.97

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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.