Home / 5,200.20-7,165.94-3,705.48

Finding the Fourth Proportional to 5,200.20, 7,165.94 and 3,705.48

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Solution

The fourth proportional to 5,200.20, 7,165.94 and 3,705.48 is: 5,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.20 : 7,165.94 = 3,705.48 : x
  2. Step 2: Convert to fraction form
    5,200.20/7,165.94 = 3,705.48/x
  3. Step 3: Cross multiply
    5,200.20x = 7,165.94 × 3,705.48
  4. Step 4: Simplify right side
    5,200.20x = 26,553,247.35
  5. Step 5: Solve for x
    x = 26,553,247.35/5,200.20
  6. Step 6: Final answer
    x = 5,106.20

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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.