Home / 5,829.96-8,749.38-2,135.68

Finding the Fourth Proportional to 5,829.96, 8,749.38 and 2,135.68

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Solution

The fourth proportional to 5,829.96, 8,749.38 and 2,135.68 is: 3,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.96 : 8,749.38 = 2,135.68 : x
  2. Step 2: Convert to fraction form
    5,829.96/8,749.38 = 2,135.68/x
  3. Step 3: Cross multiply
    5,829.96x = 8,749.38 × 2,135.68
  4. Step 4: Simplify right side
    5,829.96x = 18,685,875.88
  5. Step 5: Solve for x
    x = 18,685,875.88/5,829.96
  6. Step 6: Final answer
    x = 3,205.15

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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.