Home / 6,909.48-10,360.03-3,109.43

Finding the Fourth Proportional to 6,909.48, 10,360.03 and 3,109.43

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Solution

The fourth proportional to 6,909.48, 10,360.03 and 3,109.43 is: 4,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.48 : 10,360.03 = 3,109.43 : x
  2. Step 2: Convert to fraction form
    6,909.48/10,360.03 = 3,109.43/x
  3. Step 3: Cross multiply
    6,909.48x = 10,360.03 × 3,109.43
  4. Step 4: Simplify right side
    6,909.48x = 32,213,788.08
  5. Step 5: Solve for x
    x = 32,213,788.08/6,909.48
  6. Step 6: Final answer
    x = 4,662.26

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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.