Home / 9,211.47-13,818.58-3,287.90

Finding the Fourth Proportional to 9,211.47, 13,818.58 and 3,287.90

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Solution

The fourth proportional to 9,211.47, 13,818.58 and 3,287.90 is: 4,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.47 : 13,818.58 = 3,287.90 : x
  2. Step 2: Convert to fraction form
    9,211.47/13,818.58 = 3,287.90/x
  3. Step 3: Cross multiply
    9,211.47x = 13,818.58 × 3,287.90
  4. Step 4: Simplify right side
    9,211.47x = 45,434,031.87
  5. Step 5: Solve for x
    x = 45,434,031.87/9,211.47
  6. Step 6: Final answer
    x = 4,932.33

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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.