Home / 4,812.42-7,218.62-2,616.53

Finding the Fourth Proportional to 4,812.42, 7,218.62 and 2,616.53

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Solution

The fourth proportional to 4,812.42, 7,218.62 and 2,616.53 is: 3,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.42 : 7,218.62 = 2,616.53 : x
  2. Step 2: Convert to fraction form
    4,812.42/7,218.62 = 2,616.53/x
  3. Step 3: Cross multiply
    4,812.42x = 7,218.62 × 2,616.53
  4. Step 4: Simplify right side
    4,812.42x = 18,887,722.71
  5. Step 5: Solve for x
    x = 18,887,722.71/4,812.42
  6. Step 6: Final answer
    x = 3,924.79

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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.