Home / 5,720.83-8,575.41-2,431.82

Finding the Fourth Proportional to 5,720.83, 8,575.41 and 2,431.82

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Solution

The fourth proportional to 5,720.83, 8,575.41 and 2,431.82 is: 3,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.83 : 8,575.41 = 2,431.82 : x
  2. Step 2: Convert to fraction form
    5,720.83/8,575.41 = 2,431.82/x
  3. Step 3: Cross multiply
    5,720.83x = 8,575.41 × 2,431.82
  4. Step 4: Simplify right side
    5,720.83x = 20,853,853.55
  5. Step 5: Solve for x
    x = 20,853,853.55/5,720.83
  6. Step 6: Final answer
    x = 3,645.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.