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Finding the Fourth Proportional to 6,642.70, 9,964.33 and 2,482.29

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Solution

The fourth proportional to 6,642.70, 9,964.33 and 2,482.29 is: 3,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.70 : 9,964.33 = 2,482.29 : x
  2. Step 2: Convert to fraction form
    6,642.70/9,964.33 = 2,482.29/x
  3. Step 3: Cross multiply
    6,642.70x = 9,964.33 × 2,482.29
  4. Step 4: Simplify right side
    6,642.70x = 24,734,350.51
  5. Step 5: Solve for x
    x = 24,734,350.51/6,642.70
  6. Step 6: Final answer
    x = 3,723.54

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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.