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Finding the Fourth Proportional to 6,679.93, 9,217.47 and 3,695.35

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Solution

The fourth proportional to 6,679.93, 9,217.47 and 3,695.35 is: 5,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.93 : 9,217.47 = 3,695.35 : x
  2. Step 2: Convert to fraction form
    6,679.93/9,217.47 = 3,695.35/x
  3. Step 3: Cross multiply
    6,679.93x = 9,217.47 × 3,695.35
  4. Step 4: Simplify right side
    6,679.93x = 34,061,777.76
  5. Step 5: Solve for x
    x = 34,061,777.76/6,679.93
  6. Step 6: Final answer
    x = 5,099.12

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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.