Home / 7,548.11-11,318.52-3,164.39

Finding the Fourth Proportional to 7,548.11, 11,318.52 and 3,164.39

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Solution

The fourth proportional to 7,548.11, 11,318.52 and 3,164.39 is: 4,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.11 : 11,318.52 = 3,164.39 : x
  2. Step 2: Convert to fraction form
    7,548.11/11,318.52 = 3,164.39/x
  3. Step 3: Cross multiply
    7,548.11x = 11,318.52 × 3,164.39
  4. Step 4: Simplify right side
    7,548.11x = 35,816,139.09
  5. Step 5: Solve for x
    x = 35,816,139.09/7,548.11
  6. Step 6: Final answer
    x = 4,745.05

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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.