Home / 4,138.02-6,207.64-1,363.78

Finding the Fourth Proportional to 4,138.02, 6,207.64 and 1,363.78

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Solution

The fourth proportional to 4,138.02, 6,207.64 and 1,363.78 is: 2,045.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.02 : 6,207.64 = 1,363.78 : x
  2. Step 2: Convert to fraction form
    4,138.02/6,207.64 = 1,363.78/x
  3. Step 3: Cross multiply
    4,138.02x = 6,207.64 × 1,363.78
  4. Step 4: Simplify right side
    4,138.02x = 8,465,855.28
  5. Step 5: Solve for x
    x = 8,465,855.28/4,138.02
  6. Step 6: Final answer
    x = 2,045.87

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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.