Home / 5,719.74-8,579.64-2,021.55

Finding the Fourth Proportional to 5,719.74, 8,579.64 and 2,021.55

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Solution

The fourth proportional to 5,719.74, 8,579.64 and 2,021.55 is: 3,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.74 : 8,579.64 = 2,021.55 : x
  2. Step 2: Convert to fraction form
    5,719.74/8,579.64 = 2,021.55/x
  3. Step 3: Cross multiply
    5,719.74x = 8,579.64 × 2,021.55
  4. Step 4: Simplify right side
    5,719.74x = 17,344,171.24
  5. Step 5: Solve for x
    x = 17,344,171.24/5,719.74
  6. Step 6: Final answer
    x = 3,032.34

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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.