Home / 4,987.05-6,874.52-3,216.39

Finding the Fourth Proportional to 4,987.05, 6,874.52 and 3,216.39

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Solution

The fourth proportional to 4,987.05, 6,874.52 and 3,216.39 is: 4,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.05 : 6,874.52 = 3,216.39 : x
  2. Step 2: Convert to fraction form
    4,987.05/6,874.52 = 3,216.39/x
  3. Step 3: Cross multiply
    4,987.05x = 6,874.52 × 3,216.39
  4. Step 4: Simplify right side
    4,987.05x = 22,111,121.30
  5. Step 5: Solve for x
    x = 22,111,121.30/4,987.05
  6. Step 6: Final answer
    x = 4,433.71

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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.