Home / 7,437.92-11,161.35-2,757.15

Finding the Fourth Proportional to 7,437.92, 11,161.35 and 2,757.15

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Solution

The fourth proportional to 7,437.92, 11,161.35 and 2,757.15 is: 4,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.92 : 11,161.35 = 2,757.15 : x
  2. Step 2: Convert to fraction form
    7,437.92/11,161.35 = 2,757.15/x
  3. Step 3: Cross multiply
    7,437.92x = 11,161.35 × 2,757.15
  4. Step 4: Simplify right side
    7,437.92x = 30,773,516.15
  5. Step 5: Solve for x
    x = 30,773,516.15/7,437.92
  6. Step 6: Final answer
    x = 4,137.38

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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.