Home / 5,009.14-6,909.72-3,240.75

Finding the Fourth Proportional to 5,009.14, 6,909.72 and 3,240.75

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Solution

The fourth proportional to 5,009.14, 6,909.72 and 3,240.75 is: 4,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.14 : 6,909.72 = 3,240.75 : x
  2. Step 2: Convert to fraction form
    5,009.14/6,909.72 = 3,240.75/x
  3. Step 3: Cross multiply
    5,009.14x = 6,909.72 × 3,240.75
  4. Step 4: Simplify right side
    5,009.14x = 22,392,665.33
  5. Step 5: Solve for x
    x = 22,392,665.33/5,009.14
  6. Step 6: Final answer
    x = 4,470.36

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1.5x scale

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.