Home / 5,220.14-7,205.85-3,451.10

Finding the Fourth Proportional to 5,220.14, 7,205.85 and 3,451.10

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Solution

The fourth proportional to 5,220.14, 7,205.85 and 3,451.10 is: 4,763.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.14 : 7,205.85 = 3,451.10 : x
  2. Step 2: Convert to fraction form
    5,220.14/7,205.85 = 3,451.10/x
  3. Step 3: Cross multiply
    5,220.14x = 7,205.85 × 3,451.10
  4. Step 4: Simplify right side
    5,220.14x = 24,868,072.91
  5. Step 5: Solve for x
    x = 24,868,072.91/5,220.14
  6. Step 6: Final answer
    x = 4,763.88

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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.