Home / 6,827.05-10,240.56-2,147.46

Finding the Fourth Proportional to 6,827.05, 10,240.56 and 2,147.46

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Solution

The fourth proportional to 6,827.05, 10,240.56 and 2,147.46 is: 3,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.05 : 10,240.56 = 2,147.46 : x
  2. Step 2: Convert to fraction form
    6,827.05/10,240.56 = 2,147.46/x
  3. Step 3: Cross multiply
    6,827.05x = 10,240.56 × 2,147.46
  4. Step 4: Simplify right side
    6,827.05x = 21,991,192.98
  5. Step 5: Solve for x
    x = 21,991,192.98/6,827.05
  6. Step 6: Final answer
    x = 3,221.19

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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.