Home / 5,719.99-8,580.02-2,021.80

Finding the Fourth Proportional to 5,719.99, 8,580.02 and 2,021.80

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Solution

The fourth proportional to 5,719.99, 8,580.02 and 2,021.80 is: 3,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.99 : 8,580.02 = 2,021.80 : x
  2. Step 2: Convert to fraction form
    5,719.99/8,580.02 = 2,021.80/x
  3. Step 3: Cross multiply
    5,719.99x = 8,580.02 × 2,021.80
  4. Step 4: Simplify right side
    5,719.99x = 17,347,084.44
  5. Step 5: Solve for x
    x = 17,347,084.44/5,719.99
  6. Step 6: Final answer
    x = 3,032.71

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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.