Home / 5,911.76-8,869.67-2,018.90

Finding the Fourth Proportional to 5,911.76, 8,869.67 and 2,018.90

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Solution

The fourth proportional to 5,911.76, 8,869.67 and 2,018.90 is: 3,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.76 : 8,869.67 = 2,018.90 : x
  2. Step 2: Convert to fraction form
    5,911.76/8,869.67 = 2,018.90/x
  3. Step 3: Cross multiply
    5,911.76x = 8,869.67 × 2,018.90
  4. Step 4: Simplify right side
    5,911.76x = 17,906,922.32
  5. Step 5: Solve for x
    x = 17,906,922.32/5,911.76
  6. Step 6: Final answer
    x = 3,029.04

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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.