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Finding the Fourth Proportional to 5,089.62, 7,621.47 and 3,352.98

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Solution

The fourth proportional to 5,089.62, 7,621.47 and 3,352.98 is: 5,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.62 : 7,621.47 = 3,352.98 : x
  2. Step 2: Convert to fraction form
    5,089.62/7,621.47 = 3,352.98/x
  3. Step 3: Cross multiply
    5,089.62x = 7,621.47 × 3,352.98
  4. Step 4: Simplify right side
    5,089.62x = 25,554,636.48
  5. Step 5: Solve for x
    x = 25,554,636.48/5,089.62
  6. Step 6: Final answer
    x = 5,020.93

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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.