Home / 4,378.50-6,570.48-1,781.44

Finding the Fourth Proportional to 4,378.50, 6,570.48 and 1,781.44

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Solution

The fourth proportional to 4,378.50, 6,570.48 and 1,781.44 is: 2,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.50 : 6,570.48 = 1,781.44 : x
  2. Step 2: Convert to fraction form
    4,378.50/6,570.48 = 1,781.44/x
  3. Step 3: Cross multiply
    4,378.50x = 6,570.48 × 1,781.44
  4. Step 4: Simplify right side
    4,378.50x = 11,704,906.15
  5. Step 5: Solve for x
    x = 11,704,906.15/4,378.50
  6. Step 6: Final answer
    x = 2,673.27

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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.