Home / 5,919.06-8,878.60-2,221.68

Finding the Fourth Proportional to 5,919.06, 8,878.60 and 2,221.68

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Solution

The fourth proportional to 5,919.06, 8,878.60 and 2,221.68 is: 3,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.06 : 8,878.60 = 2,221.68 : x
  2. Step 2: Convert to fraction form
    5,919.06/8,878.60 = 2,221.68/x
  3. Step 3: Cross multiply
    5,919.06x = 8,878.60 × 2,221.68
  4. Step 4: Simplify right side
    5,919.06x = 19,725,408.05
  5. Step 5: Solve for x
    x = 19,725,408.05/5,919.06
  6. Step 6: Final answer
    x = 3,332.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.