Home / 7,213.14-10,815.84-3,701.70

Finding the Fourth Proportional to 7,213.14, 10,815.84 and 3,701.70

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Solution

The fourth proportional to 7,213.14, 10,815.84 and 3,701.70 is: 5,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.14 : 10,815.84 = 3,701.70 : x
  2. Step 2: Convert to fraction form
    7,213.14/10,815.84 = 3,701.70/x
  3. Step 3: Cross multiply
    7,213.14x = 10,815.84 × 3,701.70
  4. Step 4: Simplify right side
    7,213.14x = 40,036,994.93
  5. Step 5: Solve for x
    x = 40,036,994.93/7,213.14
  6. Step 6: Final answer
    x = 5,550.56

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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.