Home / 7,306.31-10,954.06-2,920.43

Finding the Fourth Proportional to 7,306.31, 10,954.06 and 2,920.43

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Solution

The fourth proportional to 7,306.31, 10,954.06 and 2,920.43 is: 4,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,306.31 : 10,954.06 = 2,920.43 : x
  2. Step 2: Convert to fraction form
    7,306.31/10,954.06 = 2,920.43/x
  3. Step 3: Cross multiply
    7,306.31x = 10,954.06 × 2,920.43
  4. Step 4: Simplify right side
    7,306.31x = 31,990,565.45
  5. Step 5: Solve for x
    x = 31,990,565.45/7,306.31
  6. Step 6: Final answer
    x = 4,378.48

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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.