Home / 4,728.21-7,084.50-2,873.71

Finding the Fourth Proportional to 4,728.21, 7,084.50 and 2,873.71

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Solution

The fourth proportional to 4,728.21, 7,084.50 and 2,873.71 is: 4,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.21 : 7,084.50 = 2,873.71 : x
  2. Step 2: Convert to fraction form
    4,728.21/7,084.50 = 2,873.71/x
  3. Step 3: Cross multiply
    4,728.21x = 7,084.50 × 2,873.71
  4. Step 4: Simplify right side
    4,728.21x = 20,358,796.57
  5. Step 5: Solve for x
    x = 20,358,796.57/4,728.21
  6. Step 6: Final answer
    x = 4,305.82

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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.