Home / 9,704.28-14,556.36-2,778.78

Finding the Fourth Proportional to 9,704.28, 14,556.36 and 2,778.78

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Solution

The fourth proportional to 9,704.28, 14,556.36 and 2,778.78 is: 4,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,704.28 : 14,556.36 = 2,778.78 : x
  2. Step 2: Convert to fraction form
    9,704.28/14,556.36 = 2,778.78/x
  3. Step 3: Cross multiply
    9,704.28x = 14,556.36 × 2,778.78
  4. Step 4: Simplify right side
    9,704.28x = 40,448,922.04
  5. Step 5: Solve for x
    x = 40,448,922.04/9,704.28
  6. Step 6: Final answer
    x = 4,168.15

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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.