Home / 7,418.10-11,127.12-2,223.96

Finding the Fourth Proportional to 7,418.10, 11,127.12 and 2,223.96

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Solution

The fourth proportional to 7,418.10, 11,127.12 and 2,223.96 is: 3,335.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.10 : 11,127.12 = 2,223.96 : x
  2. Step 2: Convert to fraction form
    7,418.10/11,127.12 = 2,223.96/x
  3. Step 3: Cross multiply
    7,418.10x = 11,127.12 × 2,223.96
  4. Step 4: Simplify right side
    7,418.10x = 24,746,269.80
  5. Step 5: Solve for x
    x = 24,746,269.80/7,418.10
  6. Step 6: Final answer
    x = 3,335.93

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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.