Home / 4,135.17-6,202.10-1,212.80

Finding the Fourth Proportional to 4,135.17, 6,202.10 and 1,212.80

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Solution

The fourth proportional to 4,135.17, 6,202.10 and 1,212.80 is: 1,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.17 : 6,202.10 = 1,212.80 : x
  2. Step 2: Convert to fraction form
    4,135.17/6,202.10 = 1,212.80/x
  3. Step 3: Cross multiply
    4,135.17x = 6,202.10 × 1,212.80
  4. Step 4: Simplify right side
    4,135.17x = 7,521,878.90
  5. Step 5: Solve for x
    x = 7,521,878.90/4,135.17
  6. Step 6: Final answer
    x = 1,819.00

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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.