Home / 5,720.90-8,575.59-2,020.82

Finding the Fourth Proportional to 5,720.90, 8,575.59 and 2,020.82

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Solution

The fourth proportional to 5,720.90, 8,575.59 and 2,020.82 is: 3,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.90 : 8,575.59 = 2,020.82 : x
  2. Step 2: Convert to fraction form
    5,720.90/8,575.59 = 2,020.82/x
  3. Step 3: Cross multiply
    5,720.90x = 8,575.59 × 2,020.82
  4. Step 4: Simplify right side
    5,720.90x = 17,329,723.78
  5. Step 5: Solve for x
    x = 17,329,723.78/5,720.90
  6. Step 6: Final answer
    x = 3,029.20

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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.