Home / 5,402.35-8,103.12-1,704.70

Finding the Fourth Proportional to 5,402.35, 8,103.12 and 1,704.70

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Solution

The fourth proportional to 5,402.35, 8,103.12 and 1,704.70 is: 2,556.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.35 : 8,103.12 = 1,704.70 : x
  2. Step 2: Convert to fraction form
    5,402.35/8,103.12 = 1,704.70/x
  3. Step 3: Cross multiply
    5,402.35x = 8,103.12 × 1,704.70
  4. Step 4: Simplify right side
    5,402.35x = 13,813,388.66
  5. Step 5: Solve for x
    x = 13,813,388.66/5,402.35
  6. Step 6: Final answer
    x = 2,556.92

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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.