Home / 9,704.07-14,556.09-2,778.57

Finding the Fourth Proportional to 9,704.07, 14,556.09 and 2,778.57

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Solution

The fourth proportional to 9,704.07, 14,556.09 and 2,778.57 is: 4,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,704.07 : 14,556.09 = 2,778.57 : x
  2. Step 2: Convert to fraction form
    9,704.07/14,556.09 = 2,778.57/x
  3. Step 3: Cross multiply
    9,704.07x = 14,556.09 × 2,778.57
  4. Step 4: Simplify right side
    9,704.07x = 40,445,114.99
  5. Step 5: Solve for x
    x = 40,445,114.99/9,704.07
  6. Step 6: Final answer
    x = 4,167.85

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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.