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Finding the Fourth Proportional to 4,482.66, 6,724.42 and 1,362.68

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Solution

The fourth proportional to 4,482.66, 6,724.42 and 1,362.68 is: 2,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.66 : 6,724.42 = 1,362.68 : x
  2. Step 2: Convert to fraction form
    4,482.66/6,724.42 = 1,362.68/x
  3. Step 3: Cross multiply
    4,482.66x = 6,724.42 × 1,362.68
  4. Step 4: Simplify right side
    4,482.66x = 9,163,232.65
  5. Step 5: Solve for x
    x = 9,163,232.65/4,482.66
  6. Step 6: Final answer
    x = 2,044.15

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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.