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Finding the Fourth Proportional to 6,599.72, 9,889.10 and 5,361.10

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Solution

The fourth proportional to 6,599.72, 9,889.10 and 5,361.10 is: 8,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.72 : 9,889.10 = 5,361.10 : x
  2. Step 2: Convert to fraction form
    6,599.72/9,889.10 = 5,361.10/x
  3. Step 3: Cross multiply
    6,599.72x = 9,889.10 × 5,361.10
  4. Step 4: Simplify right side
    6,599.72x = 53,016,454.01
  5. Step 5: Solve for x
    x = 53,016,454.01/6,599.72
  6. Step 6: Final answer
    x = 8,033.14

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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.