Home / 5,401.55-8,104.68-1,894.09

Finding the Fourth Proportional to 5,401.55, 8,104.68 and 1,894.09

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Solution

The fourth proportional to 5,401.55, 8,104.68 and 1,894.09 is: 2,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.55 : 8,104.68 = 1,894.09 : x
  2. Step 2: Convert to fraction form
    5,401.55/8,104.68 = 1,894.09/x
  3. Step 3: Cross multiply
    5,401.55x = 8,104.68 × 1,894.09
  4. Step 4: Simplify right side
    5,401.55x = 15,350,993.34
  5. Step 5: Solve for x
    x = 15,350,993.34/5,401.55
  6. Step 6: Final answer
    x = 2,841.96

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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.