Home / 7,388.68-11,081.08-2,193.36

Finding the Fourth Proportional to 7,388.68, 11,081.08 and 2,193.36

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Solution

The fourth proportional to 7,388.68, 11,081.08 and 2,193.36 is: 3,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.68 : 11,081.08 = 2,193.36 : x
  2. Step 2: Convert to fraction form
    7,388.68/11,081.08 = 2,193.36/x
  3. Step 3: Cross multiply
    7,388.68x = 11,081.08 × 2,193.36
  4. Step 4: Simplify right side
    7,388.68x = 24,304,797.63
  5. Step 5: Solve for x
    x = 24,304,797.63/7,388.68
  6. Step 6: Final answer
    x = 3,289.46

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1.5x scale

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.