Home / 7,620.83-11,431.93-2,426.71

Finding the Fourth Proportional to 7,620.83, 11,431.93 and 2,426.71

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Solution

The fourth proportional to 7,620.83, 11,431.93 and 2,426.71 is: 3,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.83 : 11,431.93 = 2,426.71 : x
  2. Step 2: Convert to fraction form
    7,620.83/11,431.93 = 2,426.71/x
  3. Step 3: Cross multiply
    7,620.83x = 11,431.93 × 2,426.71
  4. Step 4: Simplify right side
    7,620.83x = 27,741,909.56
  5. Step 5: Solve for x
    x = 27,741,909.56/7,620.83
  6. Step 6: Final answer
    x = 3,640.27

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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.