Home / 4,609.14-6,909.79-2,145.39

Finding the Fourth Proportional to 4,609.14, 6,909.79 and 2,145.39

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Solution

The fourth proportional to 4,609.14, 6,909.79 and 2,145.39 is: 3,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.14 : 6,909.79 = 2,145.39 : x
  2. Step 2: Convert to fraction form
    4,609.14/6,909.79 = 2,145.39/x
  3. Step 3: Cross multiply
    4,609.14x = 6,909.79 × 2,145.39
  4. Step 4: Simplify right side
    4,609.14x = 14,824,194.37
  5. Step 5: Solve for x
    x = 14,824,194.37/4,609.14
  6. Step 6: Final answer
    x = 3,216.26

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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.