Home / 5,910.88-8,865.33-2,161.90

Finding the Fourth Proportional to 5,910.88, 8,865.33 and 2,161.90

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Solution

The fourth proportional to 5,910.88, 8,865.33 and 2,161.90 is: 3,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.88 : 8,865.33 = 2,161.90 : x
  2. Step 2: Convert to fraction form
    5,910.88/8,865.33 = 2,161.90/x
  3. Step 3: Cross multiply
    5,910.88x = 8,865.33 × 2,161.90
  4. Step 4: Simplify right side
    5,910.88x = 19,165,956.93
  5. Step 5: Solve for x
    x = 19,165,956.93/5,910.88
  6. Step 6: Final answer
    x = 3,242.49

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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.