Home / 4,259.91-6,385.55-2,699.43

Finding the Fourth Proportional to 4,259.91, 6,385.55 and 2,699.43

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Solution

The fourth proportional to 4,259.91, 6,385.55 and 2,699.43 is: 4,046.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.91 : 6,385.55 = 2,699.43 : x
  2. Step 2: Convert to fraction form
    4,259.91/6,385.55 = 2,699.43/x
  3. Step 3: Cross multiply
    4,259.91x = 6,385.55 × 2,699.43
  4. Step 4: Simplify right side
    4,259.91x = 17,237,331.74
  5. Step 5: Solve for x
    x = 17,237,331.74/4,259.91
  6. Step 6: Final answer
    x = 4,046.41

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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.