Home / 4,138.20-6,208.02-1,364.10

Finding the Fourth Proportional to 4,138.20, 6,208.02 and 1,364.10

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Solution

The fourth proportional to 4,138.20, 6,208.02 and 1,364.10 is: 2,046.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.20 : 6,208.02 = 1,364.10 : x
  2. Step 2: Convert to fraction form
    4,138.20/6,208.02 = 1,364.10/x
  3. Step 3: Cross multiply
    4,138.20x = 6,208.02 × 1,364.10
  4. Step 4: Simplify right side
    4,138.20x = 8,468,360.08
  5. Step 5: Solve for x
    x = 8,468,360.08/4,138.20
  6. Step 6: Final answer
    x = 2,046.39

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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.