Home / 5,622.16-8,433.46-2,111.80

Finding the Fourth Proportional to 5,622.16, 8,433.46 and 2,111.80

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Solution

The fourth proportional to 5,622.16, 8,433.46 and 2,111.80 is: 3,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.16 : 8,433.46 = 2,111.80 : x
  2. Step 2: Convert to fraction form
    5,622.16/8,433.46 = 2,111.80/x
  3. Step 3: Cross multiply
    5,622.16x = 8,433.46 × 2,111.80
  4. Step 4: Simplify right side
    5,622.16x = 17,809,780.83
  5. Step 5: Solve for x
    x = 17,809,780.83/5,622.16
  6. Step 6: Final answer
    x = 3,167.78

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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.