Home / 10,479.67-15,717.28-3,082.12

Finding the Fourth Proportional to 10,479.67, 15,717.28 and 3,082.12

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Solution

The fourth proportional to 10,479.67, 15,717.28 and 3,082.12 is: 4,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.67 : 15,717.28 = 3,082.12 : x
  2. Step 2: Convert to fraction form
    10,479.67/15,717.28 = 3,082.12/x
  3. Step 3: Cross multiply
    10,479.67x = 15,717.28 × 3,082.12
  4. Step 4: Simplify right side
    10,479.67x = 48,442,543.03
  5. Step 5: Solve for x
    x = 48,442,543.03/10,479.67
  6. Step 6: Final answer
    x = 4,622.53

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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.