Home / 4,257.92-6,387.84-1,296.63

Finding the Fourth Proportional to 4,257.92, 6,387.84 and 1,296.63

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Solution

The fourth proportional to 4,257.92, 6,387.84 and 1,296.63 is: 1,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.92 : 6,387.84 = 1,296.63 : x
  2. Step 2: Convert to fraction form
    4,257.92/6,387.84 = 1,296.63/x
  3. Step 3: Cross multiply
    4,257.92x = 6,387.84 × 1,296.63
  4. Step 4: Simplify right side
    4,257.92x = 8,282,649.01
  5. Step 5: Solve for x
    x = 8,282,649.01/4,257.92
  6. Step 6: Final answer
    x = 1,945.23

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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.