Home / 5,009.40-6,911.73-3,238.88

Finding the Fourth Proportional to 5,009.40, 6,911.73 and 3,238.88

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Solution

The fourth proportional to 5,009.40, 6,911.73 and 3,238.88 is: 4,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.40 : 6,911.73 = 3,238.88 : x
  2. Step 2: Convert to fraction form
    5,009.40/6,911.73 = 3,238.88/x
  3. Step 3: Cross multiply
    5,009.40x = 6,911.73 × 3,238.88
  4. Step 4: Simplify right side
    5,009.40x = 22,386,229.50
  5. Step 5: Solve for x
    x = 22,386,229.50/5,009.40
  6. Step 6: Final answer
    x = 4,468.84

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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.