Home / 5,821.35-8,033.20-3,168.78

Finding the Fourth Proportional to 5,821.35, 8,033.20 and 3,168.78

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Solution

The fourth proportional to 5,821.35, 8,033.20 and 3,168.78 is: 4,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.35 : 8,033.20 = 3,168.78 : x
  2. Step 2: Convert to fraction form
    5,821.35/8,033.20 = 3,168.78/x
  3. Step 3: Cross multiply
    5,821.35x = 8,033.20 × 3,168.78
  4. Step 4: Simplify right side
    5,821.35x = 25,455,443.50
  5. Step 5: Solve for x
    x = 25,455,443.50/5,821.35
  6. Step 6: Final answer
    x = 4,372.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.