Home / 7,199.10-10,797.48-2,815.02

Finding the Fourth Proportional to 7,199.10, 10,797.48 and 2,815.02

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Solution

The fourth proportional to 7,199.10, 10,797.48 and 2,815.02 is: 4,222.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.10 : 10,797.48 = 2,815.02 : x
  2. Step 2: Convert to fraction form
    7,199.10/10,797.48 = 2,815.02/x
  3. Step 3: Cross multiply
    7,199.10x = 10,797.48 × 2,815.02
  4. Step 4: Simplify right side
    7,199.10x = 30,395,122.15
  5. Step 5: Solve for x
    x = 30,395,122.15/7,199.10
  6. Step 6: Final answer
    x = 4,222.07

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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.