Home / 7,899.57-11,847.33-2,351.61

Finding the Fourth Proportional to 7,899.57, 11,847.33 and 2,351.61

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Solution

The fourth proportional to 7,899.57, 11,847.33 and 2,351.61 is: 3,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.57 : 11,847.33 = 2,351.61 : x
  2. Step 2: Convert to fraction form
    7,899.57/11,847.33 = 2,351.61/x
  3. Step 3: Cross multiply
    7,899.57x = 11,847.33 × 2,351.61
  4. Step 4: Simplify right side
    7,899.57x = 27,860,299.70
  5. Step 5: Solve for x
    x = 27,860,299.70/7,899.57
  6. Step 6: Final answer
    x = 3,526.81

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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.