Home / 7,277.40-10,912.50-3,379.32

Finding the Fourth Proportional to 7,277.40, 10,912.50 and 3,379.32

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Solution

The fourth proportional to 7,277.40, 10,912.50 and 3,379.32 is: 5,067.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.40 : 10,912.50 = 3,379.32 : x
  2. Step 2: Convert to fraction form
    7,277.40/10,912.50 = 3,379.32/x
  3. Step 3: Cross multiply
    7,277.40x = 10,912.50 × 3,379.32
  4. Step 4: Simplify right side
    7,277.40x = 36,876,829.50
  5. Step 5: Solve for x
    x = 36,876,829.50/7,277.40
  6. Step 6: Final answer
    x = 5,067.31

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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.