Home / 7,511.38-11,268.68-2,246.80

Finding the Fourth Proportional to 7,511.38, 11,268.68 and 2,246.80

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Solution

The fourth proportional to 7,511.38, 11,268.68 and 2,246.80 is: 3,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.38 : 11,268.68 = 2,246.80 : x
  2. Step 2: Convert to fraction form
    7,511.38/11,268.68 = 2,246.80/x
  3. Step 3: Cross multiply
    7,511.38x = 11,268.68 × 2,246.80
  4. Step 4: Simplify right side
    7,511.38x = 25,318,442.05
  5. Step 5: Solve for x
    x = 25,318,442.05/7,511.38
  6. Step 6: Final answer
    x = 3,370.68

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1.5x scale

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.