Home / 5,228.93-7,216.06-2,839

Finding the Fourth Proportional to 5,228.93, 7,216.06 and 2,839

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Solution

The fourth proportional to 5,228.93, 7,216.06 and 2,839 is: 3,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.93 : 7,216.06 = 2,839 : x
  2. Step 2: Convert to fraction form
    5,228.93/7,216.06 = 2,839/x
  3. Step 3: Cross multiply
    5,228.93x = 7,216.06 × 2,839
  4. Step 4: Simplify right side
    5,228.93x = 20,486,380.15
  5. Step 5: Solve for x
    x = 20,486,380.15/5,228.93
  6. Step 6: Final answer
    x = 3,917.89

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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.