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Finding the Fourth Proportional to 6,599.36, 9,901.12 and 3,969.74

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Solution

The fourth proportional to 6,599.36, 9,901.12 and 3,969.74 is: 5,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.36 : 9,901.12 = 3,969.74 : x
  2. Step 2: Convert to fraction form
    6,599.36/9,901.12 = 3,969.74/x
  3. Step 3: Cross multiply
    6,599.36x = 9,901.12 × 3,969.74
  4. Step 4: Simplify right side
    6,599.36x = 39,304,872.11
  5. Step 5: Solve for x
    x = 39,304,872.11/6,599.36
  6. Step 6: Final answer
    x = 5,955.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.