Home / 5,195.10-7,788.02-2,271.09

Finding the Fourth Proportional to 5,195.10, 7,788.02 and 2,271.09

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Solution

The fourth proportional to 5,195.10, 7,788.02 and 2,271.09 is: 3,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.10 : 7,788.02 = 2,271.09 : x
  2. Step 2: Convert to fraction form
    5,195.10/7,788.02 = 2,271.09/x
  3. Step 3: Cross multiply
    5,195.10x = 7,788.02 × 2,271.09
  4. Step 4: Simplify right side
    5,195.10x = 17,687,282.99
  5. Step 5: Solve for x
    x = 17,687,282.99/5,195.10
  6. Step 6: Final answer
    x = 3,404.61

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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.