Home / 7,742.36-11,615.94-2,548.92

Finding the Fourth Proportional to 7,742.36, 11,615.94 and 2,548.92

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Solution

The fourth proportional to 7,742.36, 11,615.94 and 2,548.92 is: 3,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.36 : 11,615.94 = 2,548.92 : x
  2. Step 2: Convert to fraction form
    7,742.36/11,615.94 = 2,548.92/x
  3. Step 3: Cross multiply
    7,742.36x = 11,615.94 × 2,548.92
  4. Step 4: Simplify right side
    7,742.36x = 29,608,101.78
  5. Step 5: Solve for x
    x = 29,608,101.78/7,742.36
  6. Step 6: Final answer
    x = 3,824.17

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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.