Home / 9,721.62-14,578.74-3,146.04

Finding the Fourth Proportional to 9,721.62, 14,578.74 and 3,146.04

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Solution

The fourth proportional to 9,721.62, 14,578.74 and 3,146.04 is: 4,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.62 : 14,578.74 = 3,146.04 : x
  2. Step 2: Convert to fraction form
    9,721.62/14,578.74 = 3,146.04/x
  3. Step 3: Cross multiply
    9,721.62x = 14,578.74 × 3,146.04
  4. Step 4: Simplify right side
    9,721.62x = 45,865,299.19
  5. Step 5: Solve for x
    x = 45,865,299.19/9,721.62
  6. Step 6: Final answer
    x = 4,717.87

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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.