Home / 5,221.52-7,835.06-2,301.88

Finding the Fourth Proportional to 5,221.52, 7,835.06 and 2,301.88

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Solution

The fourth proportional to 5,221.52, 7,835.06 and 2,301.88 is: 3,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.52 : 7,835.06 = 2,301.88 : x
  2. Step 2: Convert to fraction form
    5,221.52/7,835.06 = 2,301.88/x
  3. Step 3: Cross multiply
    5,221.52x = 7,835.06 × 2,301.88
  4. Step 4: Simplify right side
    5,221.52x = 18,035,367.91
  5. Step 5: Solve for x
    x = 18,035,367.91/5,221.52
  6. Step 6: Final answer
    x = 3,454.05

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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.