Home / 6,695.21-9,239.46-3,711.09

Finding the Fourth Proportional to 6,695.21, 9,239.46 and 3,711.09

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Solution

The fourth proportional to 6,695.21, 9,239.46 and 3,711.09 is: 5,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,695.21 : 9,239.46 = 3,711.09 : x
  2. Step 2: Convert to fraction form
    6,695.21/9,239.46 = 3,711.09/x
  3. Step 3: Cross multiply
    6,695.21x = 9,239.46 × 3,711.09
  4. Step 4: Simplify right side
    6,695.21x = 34,288,467.61
  5. Step 5: Solve for x
    x = 34,288,467.61/6,695.21
  6. Step 6: Final answer
    x = 5,121.34

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1.5x scale

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.