Home / 4,159.26-6,239.89-1,385.96

Finding the Fourth Proportional to 4,159.26, 6,239.89 and 1,385.96

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Solution

The fourth proportional to 4,159.26, 6,239.89 and 1,385.96 is: 2,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.26 : 6,239.89 = 1,385.96 : x
  2. Step 2: Convert to fraction form
    4,159.26/6,239.89 = 1,385.96/x
  3. Step 3: Cross multiply
    4,159.26x = 6,239.89 × 1,385.96
  4. Step 4: Simplify right side
    4,159.26x = 8,648,200.68
  5. Step 5: Solve for x
    x = 8,648,200.68/4,159.26
  6. Step 6: Final answer
    x = 2,079.26

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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.