Home / 5,148.54-7,708.20-3,388.24

Finding the Fourth Proportional to 5,148.54, 7,708.20 and 3,388.24

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Solution

The fourth proportional to 5,148.54, 7,708.20 and 3,388.24 is: 5,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.54 : 7,708.20 = 3,388.24 : x
  2. Step 2: Convert to fraction form
    5,148.54/7,708.20 = 3,388.24/x
  3. Step 3: Cross multiply
    5,148.54x = 7,708.20 × 3,388.24
  4. Step 4: Simplify right side
    5,148.54x = 26,117,231.57
  5. Step 5: Solve for x
    x = 26,117,231.57/5,148.54
  6. Step 6: Final answer
    x = 5,072.75

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1.5x scale

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.