Home / 4,722.48-7,086.16-2,124.88

Finding the Fourth Proportional to 4,722.48, 7,086.16 and 2,124.88

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Solution

The fourth proportional to 4,722.48, 7,086.16 and 2,124.88 is: 3,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.48 : 7,086.16 = 2,124.88 : x
  2. Step 2: Convert to fraction form
    4,722.48/7,086.16 = 2,124.88/x
  3. Step 3: Cross multiply
    4,722.48x = 7,086.16 × 2,124.88
  4. Step 4: Simplify right side
    4,722.48x = 15,057,239.66
  5. Step 5: Solve for x
    x = 15,057,239.66/4,722.48
  6. Step 6: Final answer
    x = 3,188.42

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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.