Home / 5,845.20-8,066.30-3,192.80

Finding the Fourth Proportional to 5,845.20, 8,066.30 and 3,192.80

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Solution

The fourth proportional to 5,845.20, 8,066.30 and 3,192.80 is: 4,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.20 : 8,066.30 = 3,192.80 : x
  2. Step 2: Convert to fraction form
    5,845.20/8,066.30 = 3,192.80/x
  3. Step 3: Cross multiply
    5,845.20x = 8,066.30 × 3,192.80
  4. Step 4: Simplify right side
    5,845.20x = 25,754,082.64
  5. Step 5: Solve for x
    x = 25,754,082.64/5,845.20
  6. Step 6: Final answer
    x = 4,406.02

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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.