Home / 5,816.20-8,720.70-3,349.80

Finding the Fourth Proportional to 5,816.20, 8,720.70 and 3,349.80

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Solution

The fourth proportional to 5,816.20, 8,720.70 and 3,349.80 is: 5,022.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.20 : 8,720.70 = 3,349.80 : x
  2. Step 2: Convert to fraction form
    5,816.20/8,720.70 = 3,349.80/x
  3. Step 3: Cross multiply
    5,816.20x = 8,720.70 × 3,349.80
  4. Step 4: Simplify right side
    5,816.20x = 29,212,600.86
  5. Step 5: Solve for x
    x = 29,212,600.86/5,816.20
  6. Step 6: Final answer
    x = 5,022.63

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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.