Home / 6,781.37-10,170.99-1,851.41

Finding the Fourth Proportional to 6,781.37, 10,170.99 and 1,851.41

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Solution

The fourth proportional to 6,781.37, 10,170.99 and 1,851.41 is: 2,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.37 : 10,170.99 = 1,851.41 : x
  2. Step 2: Convert to fraction form
    6,781.37/10,170.99 = 1,851.41/x
  3. Step 3: Cross multiply
    6,781.37x = 10,170.99 × 1,851.41
  4. Step 4: Simplify right side
    6,781.37x = 18,830,621.74
  5. Step 5: Solve for x
    x = 18,830,621.74/6,781.37
  6. Step 6: Final answer
    x = 2,776.82

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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.