Home / 4,260.25-6,387.94-1,919.35

Finding the Fourth Proportional to 4,260.25, 6,387.94 and 1,919.35

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Solution

The fourth proportional to 4,260.25, 6,387.94 and 1,919.35 is: 2,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.25 : 6,387.94 = 1,919.35 : x
  2. Step 2: Convert to fraction form
    4,260.25/6,387.94 = 1,919.35/x
  3. Step 3: Cross multiply
    4,260.25x = 6,387.94 × 1,919.35
  4. Step 4: Simplify right side
    4,260.25x = 12,260,692.64
  5. Step 5: Solve for x
    x = 12,260,692.64/4,260.25
  6. Step 6: Final answer
    x = 2,877.93

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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.