Home / 4,100.64-6,148.80-1,789.44

Finding the Fourth Proportional to 4,100.64, 6,148.80 and 1,789.44

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Solution

The fourth proportional to 4,100.64, 6,148.80 and 1,789.44 is: 2,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.64 : 6,148.80 = 1,789.44 : x
  2. Step 2: Convert to fraction form
    4,100.64/6,148.80 = 1,789.44/x
  3. Step 3: Cross multiply
    4,100.64x = 6,148.80 × 1,789.44
  4. Step 4: Simplify right side
    4,100.64x = 11,002,908.67
  5. Step 5: Solve for x
    x = 11,002,908.67/4,100.64
  6. Step 6: Final answer
    x = 2,683.22

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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.