Home / 7,755.12-11,627.82-5,119.83

Finding the Fourth Proportional to 7,755.12, 11,627.82 and 5,119.83

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Solution

The fourth proportional to 7,755.12, 11,627.82 and 5,119.83 is: 7,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.12 : 11,627.82 = 5,119.83 : x
  2. Step 2: Convert to fraction form
    7,755.12/11,627.82 = 5,119.83/x
  3. Step 3: Cross multiply
    7,755.12x = 11,627.82 × 5,119.83
  4. Step 4: Simplify right side
    7,755.12x = 59,532,461.67
  5. Step 5: Solve for x
    x = 59,532,461.67/7,755.12
  6. Step 6: Final answer
    x = 7,676.54

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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.