Home / 5,222.35-7,833.84-2,101.87

Finding the Fourth Proportional to 5,222.35, 7,833.84 and 2,101.87

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Solution

The fourth proportional to 5,222.35, 7,833.84 and 2,101.87 is: 3,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.35 : 7,833.84 = 2,101.87 : x
  2. Step 2: Convert to fraction form
    5,222.35/7,833.84 = 2,101.87/x
  3. Step 3: Cross multiply
    5,222.35x = 7,833.84 × 2,101.87
  4. Step 4: Simplify right side
    5,222.35x = 16,465,713.28
  5. Step 5: Solve for x
    x = 16,465,713.28/5,222.35
  6. Step 6: Final answer
    x = 3,152.93

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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.