Home / 5,921.12-8,865.14-3,835.96

Finding the Fourth Proportional to 5,921.12, 8,865.14 and 3,835.96

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Solution

The fourth proportional to 5,921.12, 8,865.14 and 3,835.96 is: 5,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.12 : 8,865.14 = 3,835.96 : x
  2. Step 2: Convert to fraction form
    5,921.12/8,865.14 = 3,835.96/x
  3. Step 3: Cross multiply
    5,921.12x = 8,865.14 × 3,835.96
  4. Step 4: Simplify right side
    5,921.12x = 34,006,322.43
  5. Step 5: Solve for x
    x = 34,006,322.43/5,921.12
  6. Step 6: Final answer
    x = 5,743.22

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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.