Home / 7,717.78-10,650.59-4,181.02

Finding the Fourth Proportional to 7,717.78, 10,650.59 and 4,181.02

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Solution

The fourth proportional to 7,717.78, 10,650.59 and 4,181.02 is: 5,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.78 : 10,650.59 = 4,181.02 : x
  2. Step 2: Convert to fraction form
    7,717.78/10,650.59 = 4,181.02/x
  3. Step 3: Cross multiply
    7,717.78x = 10,650.59 × 4,181.02
  4. Step 4: Simplify right side
    7,717.78x = 44,530,297.95
  5. Step 5: Solve for x
    x = 44,530,297.95/7,717.78
  6. Step 6: Final answer
    x = 5,769.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.