Home / 7,610.92-11,415.64-5,161.48

Finding the Fourth Proportional to 7,610.92, 11,415.64 and 5,161.48

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Solution

The fourth proportional to 7,610.92, 11,415.64 and 5,161.48 is: 7,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.92 : 11,415.64 = 5,161.48 : x
  2. Step 2: Convert to fraction form
    7,610.92/11,415.64 = 5,161.48/x
  3. Step 3: Cross multiply
    7,610.92x = 11,415.64 × 5,161.48
  4. Step 4: Simplify right side
    7,610.92x = 58,921,597.55
  5. Step 5: Solve for x
    x = 58,921,597.55/7,610.92
  6. Step 6: Final answer
    x = 7,741.72

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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.