Home / 4,282.40-5,911.83-2,691.36

Finding the Fourth Proportional to 4,282.40, 5,911.83 and 2,691.36

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Solution

The fourth proportional to 4,282.40, 5,911.83 and 2,691.36 is: 3,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.40 : 5,911.83 = 2,691.36 : x
  2. Step 2: Convert to fraction form
    4,282.40/5,911.83 = 2,691.36/x
  3. Step 3: Cross multiply
    4,282.40x = 5,911.83 × 2,691.36
  4. Step 4: Simplify right side
    4,282.40x = 15,910,862.79
  5. Step 5: Solve for x
    x = 15,910,862.79/4,282.40
  6. Step 6: Final answer
    x = 3,715.41

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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.