Home / 6,515.10-9,773.39-2,132.60

Finding the Fourth Proportional to 6,515.10, 9,773.39 and 2,132.60

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Solution

The fourth proportional to 6,515.10, 9,773.39 and 2,132.60 is: 3,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.10 : 9,773.39 = 2,132.60 : x
  2. Step 2: Convert to fraction form
    6,515.10/9,773.39 = 2,132.60/x
  3. Step 3: Cross multiply
    6,515.10x = 9,773.39 × 2,132.60
  4. Step 4: Simplify right side
    6,515.10x = 20,842,687.98
  5. Step 5: Solve for x
    x = 20,842,687.98/6,515.10
  6. Step 6: Final answer
    x = 3,199.14

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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.