Home / 5,820.66-8,729.46-2,122.56

Finding the Fourth Proportional to 5,820.66, 8,729.46 and 2,122.56

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Solution

The fourth proportional to 5,820.66, 8,729.46 and 2,122.56 is: 3,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.66 : 8,729.46 = 2,122.56 : x
  2. Step 2: Convert to fraction form
    5,820.66/8,729.46 = 2,122.56/x
  3. Step 3: Cross multiply
    5,820.66x = 8,729.46 × 2,122.56
  4. Step 4: Simplify right side
    5,820.66x = 18,528,802.62
  5. Step 5: Solve for x
    x = 18,528,802.62/5,820.66
  6. Step 6: Final answer
    x = 3,183.28

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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.