Home / 7,255.76-10,882.20-3,556.40

Finding the Fourth Proportional to 7,255.76, 10,882.20 and 3,556.40

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Solution

The fourth proportional to 7,255.76, 10,882.20 and 3,556.40 is: 5,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.76 : 10,882.20 = 3,556.40 : x
  2. Step 2: Convert to fraction form
    7,255.76/10,882.20 = 3,556.40/x
  3. Step 3: Cross multiply
    7,255.76x = 10,882.20 × 3,556.40
  4. Step 4: Simplify right side
    7,255.76x = 38,701,456.08
  5. Step 5: Solve for x
    x = 38,701,456.08/7,255.76
  6. Step 6: Final answer
    x = 5,333.89

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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.