Home / 6,767.64-10,147.38-2,814.12

Finding the Fourth Proportional to 6,767.64, 10,147.38 and 2,814.12

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Solution

The fourth proportional to 6,767.64, 10,147.38 and 2,814.12 is: 4,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767.64 : 10,147.38 = 2,814.12 : x
  2. Step 2: Convert to fraction form
    6,767.64/10,147.38 = 2,814.12/x
  3. Step 3: Cross multiply
    6,767.64x = 10,147.38 × 2,814.12
  4. Step 4: Simplify right side
    6,767.64x = 28,555,945.01
  5. Step 5: Solve for x
    x = 28,555,945.01/6,767.64
  6. Step 6: Final answer
    x = 4,219.48

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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.