Home / 5,829.28-8,741.12-2,128.96

Finding the Fourth Proportional to 5,829.28, 8,741.12 and 2,128.96

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Solution

The fourth proportional to 5,829.28, 8,741.12 and 2,128.96 is: 3,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.28 : 8,741.12 = 2,128.96 : x
  2. Step 2: Convert to fraction form
    5,829.28/8,741.12 = 2,128.96/x
  3. Step 3: Cross multiply
    5,829.28x = 8,741.12 × 2,128.96
  4. Step 4: Simplify right side
    5,829.28x = 18,609,494.84
  5. Step 5: Solve for x
    x = 18,609,494.84/5,829.28
  6. Step 6: Final answer
    x = 3,192.42

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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.