Home / 7,003.41-10,505.30-2,620.02

Finding the Fourth Proportional to 7,003.41, 10,505.30 and 2,620.02

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Solution

The fourth proportional to 7,003.41, 10,505.30 and 2,620.02 is: 3,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.41 : 10,505.30 = 2,620.02 : x
  2. Step 2: Convert to fraction form
    7,003.41/10,505.30 = 2,620.02/x
  3. Step 3: Cross multiply
    7,003.41x = 10,505.30 × 2,620.02
  4. Step 4: Simplify right side
    7,003.41x = 27,524,096.11
  5. Step 5: Solve for x
    x = 27,524,096.11/7,003.41
  6. Step 6: Final answer
    x = 3,930.10

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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.