Home / 3,946.55-5,447.37-2,767.91

Finding the Fourth Proportional to 3,946.55, 5,447.37 and 2,767.91

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Solution

The fourth proportional to 3,946.55, 5,447.37 and 2,767.91 is: 3,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.55 : 5,447.37 = 2,767.91 : x
  2. Step 2: Convert to fraction form
    3,946.55/5,447.37 = 2,767.91/x
  3. Step 3: Cross multiply
    3,946.55x = 5,447.37 × 2,767.91
  4. Step 4: Simplify right side
    3,946.55x = 15,077,829.90
  5. Step 5: Solve for x
    x = 15,077,829.90/3,946.55
  6. Step 6: Final answer
    x = 3,820.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.