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Finding the Fourth Proportional to 7,243.95, 10,855.45 and 3,542.01

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Solution

The fourth proportional to 7,243.95, 10,855.45 and 3,542.01 is: 5,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.95 : 10,855.45 = 3,542.01 : x
  2. Step 2: Convert to fraction form
    7,243.95/10,855.45 = 3,542.01/x
  3. Step 3: Cross multiply
    7,243.95x = 10,855.45 × 3,542.01
  4. Step 4: Simplify right side
    7,243.95x = 38,450,076.17
  5. Step 5: Solve for x
    x = 38,450,076.17/7,243.95
  6. Step 6: Final answer
    x = 5,307.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.