Home / 4,127.11-5,698-2,867.76

Finding the Fourth Proportional to 4,127.11, 5,698 and 2,867.76

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Solution

The fourth proportional to 4,127.11, 5,698 and 2,867.76 is: 3,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.11 : 5,698 = 2,867.76 : x
  2. Step 2: Convert to fraction form
    4,127.11/5,698 = 2,867.76/x
  3. Step 3: Cross multiply
    4,127.11x = 5,698 × 2,867.76
  4. Step 4: Simplify right side
    4,127.11x = 16,340,496.48
  5. Step 5: Solve for x
    x = 16,340,496.48/4,127.11
  6. Step 6: Final answer
    x = 3,959.31

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1.5x scale

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.