Home / 4,113.91-6,165.33-1,917.87

Finding the Fourth Proportional to 4,113.91, 6,165.33 and 1,917.87

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Solution

The fourth proportional to 4,113.91, 6,165.33 and 1,917.87 is: 2,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.91 : 6,165.33 = 1,917.87 : x
  2. Step 2: Convert to fraction form
    4,113.91/6,165.33 = 1,917.87/x
  3. Step 3: Cross multiply
    4,113.91x = 6,165.33 × 1,917.87
  4. Step 4: Simplify right side
    4,113.91x = 11,824,301.45
  5. Step 5: Solve for x
    x = 11,824,301.45/4,113.91
  6. Step 6: Final answer
    x = 2,874.22

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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.