Home / 6,781.27-10,172.46-1,850.95

Finding the Fourth Proportional to 6,781.27, 10,172.46 and 1,850.95

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Solution

The fourth proportional to 6,781.27, 10,172.46 and 1,850.95 is: 2,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.27 : 10,172.46 = 1,850.95 : x
  2. Step 2: Convert to fraction form
    6,781.27/10,172.46 = 1,850.95/x
  3. Step 3: Cross multiply
    6,781.27x = 10,172.46 × 1,850.95
  4. Step 4: Simplify right side
    6,781.27x = 18,828,714.84
  5. Step 5: Solve for x
    x = 18,828,714.84/6,781.27
  6. Step 6: Final answer
    x = 2,776.58

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1.5x scale

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.