Home / 5,016.71-6,922.97-2,778.58

Finding the Fourth Proportional to 5,016.71, 6,922.97 and 2,778.58

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Solution

The fourth proportional to 5,016.71, 6,922.97 and 2,778.58 is: 3,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.71 : 6,922.97 = 2,778.58 : x
  2. Step 2: Convert to fraction form
    5,016.71/6,922.97 = 2,778.58/x
  3. Step 3: Cross multiply
    5,016.71x = 6,922.97 × 2,778.58
  4. Step 4: Simplify right side
    5,016.71x = 19,236,011.69
  5. Step 5: Solve for x
    x = 19,236,011.69/5,016.71
  6. Step 6: Final answer
    x = 3,834.39

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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.