Home / 6,715.80-9,267.36-3,731.56

Finding the Fourth Proportional to 6,715.80, 9,267.36 and 3,731.56

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Solution

The fourth proportional to 6,715.80, 9,267.36 and 3,731.56 is: 5,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.80 : 9,267.36 = 3,731.56 : x
  2. Step 2: Convert to fraction form
    6,715.80/9,267.36 = 3,731.56/x
  3. Step 3: Cross multiply
    6,715.80x = 9,267.36 × 3,731.56
  4. Step 4: Simplify right side
    6,715.80x = 34,581,709.88
  5. Step 5: Solve for x
    x = 34,581,709.88/6,715.80
  6. Step 6: Final answer
    x = 5,149.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.