Home / 7,019.91-10,521.75-2,634.57

Finding the Fourth Proportional to 7,019.91, 10,521.75 and 2,634.57

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Solution

The fourth proportional to 7,019.91, 10,521.75 and 2,634.57 is: 3,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.91 : 10,521.75 = 2,634.57 : x
  2. Step 2: Convert to fraction form
    7,019.91/10,521.75 = 2,634.57/x
  3. Step 3: Cross multiply
    7,019.91x = 10,521.75 × 2,634.57
  4. Step 4: Simplify right side
    7,019.91x = 27,720,286.90
  5. Step 5: Solve for x
    x = 27,720,286.90/7,019.91
  6. Step 6: Final answer
    x = 3,948.81

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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.