Home / 5,813.24-8,720.84-2,691.98

Finding the Fourth Proportional to 5,813.24, 8,720.84 and 2,691.98

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Solution

The fourth proportional to 5,813.24, 8,720.84 and 2,691.98 is: 4,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.24 : 8,720.84 = 2,691.98 : x
  2. Step 2: Convert to fraction form
    5,813.24/8,720.84 = 2,691.98/x
  3. Step 3: Cross multiply
    5,813.24x = 8,720.84 × 2,691.98
  4. Step 4: Simplify right side
    5,813.24x = 23,476,289.99
  5. Step 5: Solve for x
    x = 23,476,289.99/5,813.24
  6. Step 6: Final answer
    x = 4,038.42

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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.