Home / 4,724.28-7,084.31-1,436.81

Finding the Fourth Proportional to 4,724.28, 7,084.31 and 1,436.81

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Solution

The fourth proportional to 4,724.28, 7,084.31 and 1,436.81 is: 2,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.28 : 7,084.31 = 1,436.81 : x
  2. Step 2: Convert to fraction form
    4,724.28/7,084.31 = 1,436.81/x
  3. Step 3: Cross multiply
    4,724.28x = 7,084.31 × 1,436.81
  4. Step 4: Simplify right side
    4,724.28x = 10,178,764.85
  5. Step 5: Solve for x
    x = 10,178,764.85/4,724.28
  6. Step 6: Final answer
    x = 2,154.56

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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.