Home / 7,731.28-11,597.34-2,185.06

Finding the Fourth Proportional to 7,731.28, 11,597.34 and 2,185.06

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Solution

The fourth proportional to 7,731.28, 11,597.34 and 2,185.06 is: 3,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.28 : 11,597.34 = 2,185.06 : x
  2. Step 2: Convert to fraction form
    7,731.28/11,597.34 = 2,185.06/x
  3. Step 3: Cross multiply
    7,731.28x = 11,597.34 × 2,185.06
  4. Step 4: Simplify right side
    7,731.28x = 25,340,883.74
  5. Step 5: Solve for x
    x = 25,340,883.74/7,731.28
  6. Step 6: Final answer
    x = 3,277.71

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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.