Home / 7,513.29-11,268.74-2,515.61

Finding the Fourth Proportional to 7,513.29, 11,268.74 and 2,515.61

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Solution

The fourth proportional to 7,513.29, 11,268.74 and 2,515.61 is: 3,773.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.29 : 11,268.74 = 2,515.61 : x
  2. Step 2: Convert to fraction form
    7,513.29/11,268.74 = 2,515.61/x
  3. Step 3: Cross multiply
    7,513.29x = 11,268.74 × 2,515.61
  4. Step 4: Simplify right side
    7,513.29x = 28,347,789.49
  5. Step 5: Solve for x
    x = 28,347,789.49/7,513.29
  6. Step 6: Final answer
    x = 3,773.02

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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.