Home / 6,679.16-9,217.39-3,695.21

Finding the Fourth Proportional to 6,679.16, 9,217.39 and 3,695.21

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Solution

The fourth proportional to 6,679.16, 9,217.39 and 3,695.21 is: 5,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.16 : 9,217.39 = 3,695.21 : x
  2. Step 2: Convert to fraction form
    6,679.16/9,217.39 = 3,695.21/x
  3. Step 3: Cross multiply
    6,679.16x = 9,217.39 × 3,695.21
  4. Step 4: Simplify right side
    6,679.16x = 34,060,184.80
  5. Step 5: Solve for x
    x = 34,060,184.80/6,679.16
  6. Step 6: Final answer
    x = 5,099.47

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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.