Home / 7,518.20-11,269.87-3,625.34

Finding the Fourth Proportional to 7,518.20, 11,269.87 and 3,625.34

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Solution

The fourth proportional to 7,518.20, 11,269.87 and 3,625.34 is: 5,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.20 : 11,269.87 = 3,625.34 : x
  2. Step 2: Convert to fraction form
    7,518.20/11,269.87 = 3,625.34/x
  3. Step 3: Cross multiply
    7,518.20x = 11,269.87 × 3,625.34
  4. Step 4: Simplify right side
    7,518.20x = 40,857,045.09
  5. Step 5: Solve for x
    x = 40,857,045.09/7,518.20
  6. Step 6: Final answer
    x = 5,434.42

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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.