Home / 5,013.67-6,919.11-2,889.52

Finding the Fourth Proportional to 5,013.67, 6,919.11 and 2,889.52

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Solution

The fourth proportional to 5,013.67, 6,919.11 and 2,889.52 is: 3,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.67 : 6,919.11 = 2,889.52 : x
  2. Step 2: Convert to fraction form
    5,013.67/6,919.11 = 2,889.52/x
  3. Step 3: Cross multiply
    5,013.67x = 6,919.11 × 2,889.52
  4. Step 4: Simplify right side
    5,013.67x = 19,992,906.73
  5. Step 5: Solve for x
    x = 19,992,906.73/5,013.67
  6. Step 6: Final answer
    x = 3,987.68

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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.