Home / 7,114.62-10,667.82-3,411.81

Finding the Fourth Proportional to 7,114.62, 10,667.82 and 3,411.81

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Solution

The fourth proportional to 7,114.62, 10,667.82 and 3,411.81 is: 5,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.62 : 10,667.82 = 3,411.81 : x
  2. Step 2: Convert to fraction form
    7,114.62/10,667.82 = 3,411.81/x
  3. Step 3: Cross multiply
    7,114.62x = 10,667.82 × 3,411.81
  4. Step 4: Simplify right side
    7,114.62x = 36,396,574.95
  5. Step 5: Solve for x
    x = 36,396,574.95/7,114.62
  6. Step 6: Final answer
    x = 5,115.74

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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.