Home / 10,721.79-16,082.05-3,225.18

Finding the Fourth Proportional to 10,721.79, 16,082.05 and 3,225.18

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Solution

The fourth proportional to 10,721.79, 16,082.05 and 3,225.18 is: 4,837.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.79 : 16,082.05 = 3,225.18 : x
  2. Step 2: Convert to fraction form
    10,721.79/16,082.05 = 3,225.18/x
  3. Step 3: Cross multiply
    10,721.79x = 16,082.05 × 3,225.18
  4. Step 4: Simplify right side
    10,721.79x = 51,867,506.02
  5. Step 5: Solve for x
    x = 51,867,506.02/10,721.79
  6. Step 6: Final answer
    x = 4,837.58

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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.