Home / 7,837.01-11,757.46-3,890.12

Finding the Fourth Proportional to 7,837.01, 11,757.46 and 3,890.12

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Solution

The fourth proportional to 7,837.01, 11,757.46 and 3,890.12 is: 5,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.01 : 11,757.46 = 3,890.12 : x
  2. Step 2: Convert to fraction form
    7,837.01/11,757.46 = 3,890.12/x
  3. Step 3: Cross multiply
    7,837.01x = 11,757.46 × 3,890.12
  4. Step 4: Simplify right side
    7,837.01x = 45,737,930.30
  5. Step 5: Solve for x
    x = 45,737,930.30/7,837.01
  6. Step 6: Final answer
    x = 5,836.15

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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.