Home / 7,447.81-11,172.08-2,253.73

Finding the Fourth Proportional to 7,447.81, 11,172.08 and 2,253.73

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Solution

The fourth proportional to 7,447.81, 11,172.08 and 2,253.73 is: 3,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.81 : 11,172.08 = 2,253.73 : x
  2. Step 2: Convert to fraction form
    7,447.81/11,172.08 = 2,253.73/x
  3. Step 3: Cross multiply
    7,447.81x = 11,172.08 × 2,253.73
  4. Step 4: Simplify right side
    7,447.81x = 25,178,840.59
  5. Step 5: Solve for x
    x = 25,178,840.59/7,447.81
  6. Step 6: Final answer
    x = 3,380.70

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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.