Home / 4,262.11-6,387.78-1,919.62

Finding the Fourth Proportional to 4,262.11, 6,387.78 and 1,919.62

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Solution

The fourth proportional to 4,262.11, 6,387.78 and 1,919.62 is: 2,877.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.11 : 6,387.78 = 1,919.62 : x
  2. Step 2: Convert to fraction form
    4,262.11/6,387.78 = 1,919.62/x
  3. Step 3: Cross multiply
    4,262.11x = 6,387.78 × 1,919.62
  4. Step 4: Simplify right side
    4,262.11x = 12,262,110.24
  5. Step 5: Solve for x
    x = 12,262,110.24/4,262.11
  6. Step 6: Final answer
    x = 2,877.00

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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.