Home / 7,099.62-9,797.58-4,115.68

Finding the Fourth Proportional to 7,099.62, 9,797.58 and 4,115.68

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Solution

The fourth proportional to 7,099.62, 9,797.58 and 4,115.68 is: 5,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.62 : 9,797.58 = 4,115.68 : x
  2. Step 2: Convert to fraction form
    7,099.62/9,797.58 = 4,115.68/x
  3. Step 3: Cross multiply
    7,099.62x = 9,797.58 × 4,115.68
  4. Step 4: Simplify right side
    7,099.62x = 40,323,704.05
  5. Step 5: Solve for x
    x = 40,323,704.05/7,099.62
  6. Step 6: Final answer
    x = 5,679.70

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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.