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Finding the Fourth Proportional to 7,537.70, 10,399.91 and 5,939.40

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Solution

The fourth proportional to 7,537.70, 10,399.91 and 5,939.40 is: 8,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.70 : 10,399.91 = 5,939.40 : x
  2. Step 2: Convert to fraction form
    7,537.70/10,399.91 = 5,939.40/x
  3. Step 3: Cross multiply
    7,537.70x = 10,399.91 × 5,939.40
  4. Step 4: Simplify right side
    7,537.70x = 61,769,195.76
  5. Step 5: Solve for x
    x = 61,769,195.76/7,537.70
  6. Step 6: Final answer
    x = 8,194.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.