Home / 6,760.15-10,143.86-2,814.13

Finding the Fourth Proportional to 6,760.15, 10,143.86 and 2,814.13

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Solution

The fourth proportional to 6,760.15, 10,143.86 and 2,814.13 is: 4,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.15 : 10,143.86 = 2,814.13 : x
  2. Step 2: Convert to fraction form
    6,760.15/10,143.86 = 2,814.13/x
  3. Step 3: Cross multiply
    6,760.15x = 10,143.86 × 2,814.13
  4. Step 4: Simplify right side
    6,760.15x = 28,546,140.74
  5. Step 5: Solve for x
    x = 28,546,140.74/6,760.15
  6. Step 6: Final answer
    x = 4,222.71

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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.