Home / 6,841.06-9,440.53-3,857.20

Finding the Fourth Proportional to 6,841.06, 9,440.53 and 3,857.20

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Solution

The fourth proportional to 6,841.06, 9,440.53 and 3,857.20 is: 5,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.06 : 9,440.53 = 3,857.20 : x
  2. Step 2: Convert to fraction form
    6,841.06/9,440.53 = 3,857.20/x
  3. Step 3: Cross multiply
    6,841.06x = 9,440.53 × 3,857.20
  4. Step 4: Simplify right side
    6,841.06x = 36,414,012.32
  5. Step 5: Solve for x
    x = 36,414,012.32/6,841.06
  6. Step 6: Final answer
    x = 5,322.86

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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.