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Finding the Fourth Proportional to 6,237.71, 9,356.57 and 1,620.71

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Solution

The fourth proportional to 6,237.71, 9,356.57 and 1,620.71 is: 2,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.71 : 9,356.57 = 1,620.71 : x
  2. Step 2: Convert to fraction form
    6,237.71/9,356.57 = 1,620.71/x
  3. Step 3: Cross multiply
    6,237.71x = 9,356.57 × 1,620.71
  4. Step 4: Simplify right side
    6,237.71x = 15,164,231.68
  5. Step 5: Solve for x
    x = 15,164,231.68/6,237.71
  6. Step 6: Final answer
    x = 2,431.06

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Similar ratio
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1.5x scale

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.