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Finding the Fourth Proportional to 7,099.62, 9,794.04 and 5,516.88

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Solution

The fourth proportional to 7,099.62, 9,794.04 and 5,516.88 is: 7,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.62 : 9,794.04 = 5,516.88 : x
  2. Step 2: Convert to fraction form
    7,099.62/9,794.04 = 5,516.88/x
  3. Step 3: Cross multiply
    7,099.62x = 9,794.04 × 5,516.88
  4. Step 4: Simplify right side
    7,099.62x = 54,032,543.40
  5. Step 5: Solve for x
    x = 54,032,543.40/7,099.62
  6. Step 6: Final answer
    x = 7,610.62

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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.