Home / 5,385.01-8,077.38-2,221.75

Finding the Fourth Proportional to 5,385.01, 8,077.38 and 2,221.75

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Solution

The fourth proportional to 5,385.01, 8,077.38 and 2,221.75 is: 3,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.01 : 8,077.38 = 2,221.75 : x
  2. Step 2: Convert to fraction form
    5,385.01/8,077.38 = 2,221.75/x
  3. Step 3: Cross multiply
    5,385.01x = 8,077.38 × 2,221.75
  4. Step 4: Simplify right side
    5,385.01x = 17,945,919.02
  5. Step 5: Solve for x
    x = 17,945,919.02/5,385.01
  6. Step 6: Final answer
    x = 3,332.57

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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.