Home / 5,516.30-7,614.66-3,838.68

Finding the Fourth Proportional to 5,516.30, 7,614.66 and 3,838.68

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Solution

The fourth proportional to 5,516.30, 7,614.66 and 3,838.68 is: 5,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.30 : 7,614.66 = 3,838.68 : x
  2. Step 2: Convert to fraction form
    5,516.30/7,614.66 = 3,838.68/x
  3. Step 3: Cross multiply
    5,516.30x = 7,614.66 × 3,838.68
  4. Step 4: Simplify right side
    5,516.30x = 29,230,243.05
  5. Step 5: Solve for x
    x = 29,230,243.05/5,516.30
  6. Step 6: Final answer
    x = 5,298.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.