Home / 4,072.07-6,105.43-2,681.20

Finding the Fourth Proportional to 4,072.07, 6,105.43 and 2,681.20

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Solution

The fourth proportional to 4,072.07, 6,105.43 and 2,681.20 is: 4,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.07 : 6,105.43 = 2,681.20 : x
  2. Step 2: Convert to fraction form
    4,072.07/6,105.43 = 2,681.20/x
  3. Step 3: Cross multiply
    4,072.07x = 6,105.43 × 2,681.20
  4. Step 4: Simplify right side
    4,072.07x = 16,369,874.82
  5. Step 5: Solve for x
    x = 16,369,874.82/4,072.07
  6. Step 6: Final answer
    x = 4,020.04

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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.