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Finding the Fourth Proportional to 4,483.62, 6,724.64 and 1,362.87

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Solution

The fourth proportional to 4,483.62, 6,724.64 and 1,362.87 is: 2,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,483.62 : 6,724.64 = 1,362.87 : x
  2. Step 2: Convert to fraction form
    4,483.62/6,724.64 = 1,362.87/x
  3. Step 3: Cross multiply
    4,483.62x = 6,724.64 × 1,362.87
  4. Step 4: Simplify right side
    4,483.62x = 9,164,803.30
  5. Step 5: Solve for x
    x = 9,164,803.30/4,483.62
  6. Step 6: Final answer
    x = 2,044.06

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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.