Home / 8,154.93-12,226.44-2,605.11

Finding the Fourth Proportional to 8,154.93, 12,226.44 and 2,605.11

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Solution

The fourth proportional to 8,154.93, 12,226.44 and 2,605.11 is: 3,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.93 : 12,226.44 = 2,605.11 : x
  2. Step 2: Convert to fraction form
    8,154.93/12,226.44 = 2,605.11/x
  3. Step 3: Cross multiply
    8,154.93x = 12,226.44 × 2,605.11
  4. Step 4: Simplify right side
    8,154.93x = 31,851,253.80
  5. Step 5: Solve for x
    x = 31,851,253.80/8,154.93
  6. Step 6: Final answer
    x = 3,905.77

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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.