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Finding the Fourth Proportional to 7,087.64, 10,576.07 and 6,349.73

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Solution

The fourth proportional to 7,087.64, 10,576.07 and 6,349.73 is: 9,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.64 : 10,576.07 = 6,349.73 : x
  2. Step 2: Convert to fraction form
    7,087.64/10,576.07 = 6,349.73/x
  3. Step 3: Cross multiply
    7,087.64x = 10,576.07 × 6,349.73
  4. Step 4: Simplify right side
    7,087.64x = 67,155,128.14
  5. Step 5: Solve for x
    x = 67,155,128.14/7,087.64
  6. Step 6: Final answer
    x = 9,474.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.