Home / 7,132.20-10,699.80-2,201.74

Finding the Fourth Proportional to 7,132.20, 10,699.80 and 2,201.74

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Solution

The fourth proportional to 7,132.20, 10,699.80 and 2,201.74 is: 3,303.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.20 : 10,699.80 = 2,201.74 : x
  2. Step 2: Convert to fraction form
    7,132.20/10,699.80 = 2,201.74/x
  3. Step 3: Cross multiply
    7,132.20x = 10,699.80 × 2,201.74
  4. Step 4: Simplify right side
    7,132.20x = 23,558,177.65
  5. Step 5: Solve for x
    x = 23,558,177.65/7,132.20
  6. Step 6: Final answer
    x = 3,303.07

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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.