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Finding the Fourth Proportional to 7,554.36, 10,399.14 and 6,553.74

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Solution

The fourth proportional to 7,554.36, 10,399.14 and 6,553.74 is: 9,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.36 : 10,399.14 = 6,553.74 : x
  2. Step 2: Convert to fraction form
    7,554.36/10,399.14 = 6,553.74/x
  3. Step 3: Cross multiply
    7,554.36x = 10,399.14 × 6,553.74
  4. Step 4: Simplify right side
    7,554.36x = 68,153,259.78
  5. Step 5: Solve for x
    x = 68,153,259.78/7,554.36
  6. Step 6: Final answer
    x = 9,021.71

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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.