Home / 7,835.98-11,753.70-3,154.54

Finding the Fourth Proportional to 7,835.98, 11,753.70 and 3,154.54

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Solution

The fourth proportional to 7,835.98, 11,753.70 and 3,154.54 is: 4,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.98 : 11,753.70 = 3,154.54 : x
  2. Step 2: Convert to fraction form
    7,835.98/11,753.70 = 3,154.54/x
  3. Step 3: Cross multiply
    7,835.98x = 11,753.70 × 3,154.54
  4. Step 4: Simplify right side
    7,835.98x = 37,077,516.80
  5. Step 5: Solve for x
    x = 37,077,516.80/7,835.98
  6. Step 6: Final answer
    x = 4,731.70

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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.