Home / 5,719.24-8,578.89-2,021.05

Finding the Fourth Proportional to 5,719.24, 8,578.89 and 2,021.05

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Solution

The fourth proportional to 5,719.24, 8,578.89 and 2,021.05 is: 3,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.24 : 8,578.89 = 2,021.05 : x
  2. Step 2: Convert to fraction form
    5,719.24/8,578.89 = 2,021.05/x
  3. Step 3: Cross multiply
    5,719.24x = 8,578.89 × 2,021.05
  4. Step 4: Simplify right side
    5,719.24x = 17,338,365.63
  5. Step 5: Solve for x
    x = 17,338,365.63/5,719.24
  6. Step 6: Final answer
    x = 3,031.59

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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.