Home / 5,009.96-6,909.36-3,239.84

Finding the Fourth Proportional to 5,009.96, 6,909.36 and 3,239.84

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Solution

The fourth proportional to 5,009.96, 6,909.36 and 3,239.84 is: 4,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.96 : 6,909.36 = 3,239.84 : x
  2. Step 2: Convert to fraction form
    5,009.96/6,909.36 = 3,239.84/x
  3. Step 3: Cross multiply
    5,009.96x = 6,909.36 × 3,239.84
  4. Step 4: Simplify right side
    5,009.96x = 22,385,220.90
  5. Step 5: Solve for x
    x = 22,385,220.90/5,009.96
  6. Step 6: Final answer
    x = 4,468.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.