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Finding the Fourth Proportional to 6,599.97, 9,107.96 and 3,615.81

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Solution

The fourth proportional to 6,599.97, 9,107.96 and 3,615.81 is: 4,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.97 : 9,107.96 = 3,615.81 : x
  2. Step 2: Convert to fraction form
    6,599.97/9,107.96 = 3,615.81/x
  3. Step 3: Cross multiply
    6,599.97x = 9,107.96 × 3,615.81
  4. Step 4: Simplify right side
    6,599.97x = 32,932,652.85
  5. Step 5: Solve for x
    x = 32,932,652.85/6,599.97
  6. Step 6: Final answer
    x = 4,989.82

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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.