Home / 7,447.64-11,171.48-2,253.56

Finding the Fourth Proportional to 7,447.64, 11,171.48 and 2,253.56

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Solution

The fourth proportional to 7,447.64, 11,171.48 and 2,253.56 is: 3,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.64 : 11,171.48 = 2,253.56 : x
  2. Step 2: Convert to fraction form
    7,447.64/11,171.48 = 2,253.56/x
  3. Step 3: Cross multiply
    7,447.64x = 11,171.48 × 2,253.56
  4. Step 4: Simplify right side
    7,447.64x = 25,175,600.47
  5. Step 5: Solve for x
    x = 25,175,600.47/7,447.64
  6. Step 6: Final answer
    x = 3,380.35

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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.