Home / 5,423.36-7,481.65-3,154.69

Finding the Fourth Proportional to 5,423.36, 7,481.65 and 3,154.69

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Solution

The fourth proportional to 5,423.36, 7,481.65 and 3,154.69 is: 4,351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.36 : 7,481.65 = 3,154.69 : x
  2. Step 2: Convert to fraction form
    5,423.36/7,481.65 = 3,154.69/x
  3. Step 3: Cross multiply
    5,423.36x = 7,481.65 × 3,154.69
  4. Step 4: Simplify right side
    5,423.36x = 23,602,286.44
  5. Step 5: Solve for x
    x = 23,602,286.44/5,423.36
  6. Step 6: Final answer
    x = 4,351.97

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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.