Home / 5,660.97-7,812.08-3,271.44

Finding the Fourth Proportional to 5,660.97, 7,812.08 and 3,271.44

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Solution

The fourth proportional to 5,660.97, 7,812.08 and 3,271.44 is: 4,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.97 : 7,812.08 = 3,271.44 : x
  2. Step 2: Convert to fraction form
    5,660.97/7,812.08 = 3,271.44/x
  3. Step 3: Cross multiply
    5,660.97x = 7,812.08 × 3,271.44
  4. Step 4: Simplify right side
    5,660.97x = 25,556,794.60
  5. Step 5: Solve for x
    x = 25,556,794.60/5,660.97
  6. Step 6: Final answer
    x = 4,514.56

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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.