Home / 5,820.90-8,736.48-3,190.82

Finding the Fourth Proportional to 5,820.90, 8,736.48 and 3,190.82

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Solution

The fourth proportional to 5,820.90, 8,736.48 and 3,190.82 is: 4,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.90 : 8,736.48 = 3,190.82 : x
  2. Step 2: Convert to fraction form
    5,820.90/8,736.48 = 3,190.82/x
  3. Step 3: Cross multiply
    5,820.90x = 8,736.48 × 3,190.82
  4. Step 4: Simplify right side
    5,820.90x = 27,876,535.11
  5. Step 5: Solve for x
    x = 27,876,535.11/5,820.90
  6. Step 6: Final answer
    x = 4,789.04

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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.