Home / 7,447.52-11,171.48-2,253.39

Finding the Fourth Proportional to 7,447.52, 11,171.48 and 2,253.39

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Solution

The fourth proportional to 7,447.52, 11,171.48 and 2,253.39 is: 3,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.52 : 11,171.48 = 2,253.39 : x
  2. Step 2: Convert to fraction form
    7,447.52/11,171.48 = 2,253.39/x
  3. Step 3: Cross multiply
    7,447.52x = 11,171.48 × 2,253.39
  4. Step 4: Simplify right side
    7,447.52x = 25,173,690.05
  5. Step 5: Solve for x
    x = 25,173,690.05/7,447.52
  6. Step 6: Final answer
    x = 3,380.15

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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.