Home / 6,211.12-8,569.88-4,198.28

Finding the Fourth Proportional to 6,211.12, 8,569.88 and 4,198.28

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Solution

The fourth proportional to 6,211.12, 8,569.88 and 4,198.28 is: 5,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.12 : 8,569.88 = 4,198.28 : x
  2. Step 2: Convert to fraction form
    6,211.12/8,569.88 = 4,198.28/x
  3. Step 3: Cross multiply
    6,211.12x = 8,569.88 × 4,198.28
  4. Step 4: Simplify right side
    6,211.12x = 35,978,755.81
  5. Step 5: Solve for x
    x = 35,978,755.81/6,211.12
  6. Step 6: Final answer
    x = 5,792.64

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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.