Home / 6,695.75-9,239.88-3,711.64

Finding the Fourth Proportional to 6,695.75, 9,239.88 and 3,711.64

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Solution

The fourth proportional to 6,695.75, 9,239.88 and 3,711.64 is: 5,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,695.75 : 9,239.88 = 3,711.64 : x
  2. Step 2: Convert to fraction form
    6,695.75/9,239.88 = 3,711.64/x
  3. Step 3: Cross multiply
    6,695.75x = 9,239.88 × 3,711.64
  4. Step 4: Simplify right side
    6,695.75x = 34,295,108.20
  5. Step 5: Solve for x
    x = 34,295,108.20/6,695.75
  6. Step 6: Final answer
    x = 5,121.92

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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.