Home / 5,402.05-8,103.07-1,704.57

Finding the Fourth Proportional to 5,402.05, 8,103.07 and 1,704.57

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Solution

The fourth proportional to 5,402.05, 8,103.07 and 1,704.57 is: 2,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.05 : 8,103.07 = 1,704.57 : x
  2. Step 2: Convert to fraction form
    5,402.05/8,103.07 = 1,704.57/x
  3. Step 3: Cross multiply
    5,402.05x = 8,103.07 × 1,704.57
  4. Step 4: Simplify right side
    5,402.05x = 13,812,213.78
  5. Step 5: Solve for x
    x = 13,812,213.78/5,402.05
  6. Step 6: Final answer
    x = 2,556.85

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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.