Home / 5,469.35-8,210.10-3,391.70

Finding the Fourth Proportional to 5,469.35, 8,210.10 and 3,391.70

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Solution

The fourth proportional to 5,469.35, 8,210.10 and 3,391.70 is: 5,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.35 : 8,210.10 = 3,391.70 : x
  2. Step 2: Convert to fraction form
    5,469.35/8,210.10 = 3,391.70/x
  3. Step 3: Cross multiply
    5,469.35x = 8,210.10 × 3,391.70
  4. Step 4: Simplify right side
    5,469.35x = 27,846,196.17
  5. Step 5: Solve for x
    x = 27,846,196.17/5,469.35
  6. Step 6: Final answer
    x = 5,091.32

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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.