Home / 6,494.58-9,742.68-2,112.48

Finding the Fourth Proportional to 6,494.58, 9,742.68 and 2,112.48

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Solution

The fourth proportional to 6,494.58, 9,742.68 and 2,112.48 is: 3,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,494.58 : 9,742.68 = 2,112.48 : x
  2. Step 2: Convert to fraction form
    6,494.58/9,742.68 = 2,112.48/x
  3. Step 3: Cross multiply
    6,494.58x = 9,742.68 × 2,112.48
  4. Step 4: Simplify right side
    6,494.58x = 20,581,216.65
  5. Step 5: Solve for x
    x = 20,581,216.65/6,494.58
  6. Step 6: Final answer
    x = 3,168.98

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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.