Home / 4,414.40-6,621.52-1,781.86

Finding the Fourth Proportional to 4,414.40, 6,621.52 and 1,781.86

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Solution

The fourth proportional to 4,414.40, 6,621.52 and 1,781.86 is: 2,672.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,414.40 : 6,621.52 = 1,781.86 : x
  2. Step 2: Convert to fraction form
    4,414.40/6,621.52 = 1,781.86/x
  3. Step 3: Cross multiply
    4,414.40x = 6,621.52 × 1,781.86
  4. Step 4: Simplify right side
    4,414.40x = 11,798,621.63
  5. Step 5: Solve for x
    x = 11,798,621.63/4,414.40
  6. Step 6: Final answer
    x = 2,672.76

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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.