Home / 8,145.92-11,241.33-4,419.92

Finding the Fourth Proportional to 8,145.92, 11,241.33 and 4,419.92

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Solution

The fourth proportional to 8,145.92, 11,241.33 and 4,419.92 is: 6,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.92 : 11,241.33 = 4,419.92 : x
  2. Step 2: Convert to fraction form
    8,145.92/11,241.33 = 4,419.92/x
  3. Step 3: Cross multiply
    8,145.92x = 11,241.33 × 4,419.92
  4. Step 4: Simplify right side
    8,145.92x = 49,685,779.29
  5. Step 5: Solve for x
    x = 49,685,779.29/8,145.92
  6. Step 6: Final answer
    x = 6,099.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.