Home / 4,783-7,176.92-2,186.56

Finding the Fourth Proportional to 4,783, 7,176.92 and 2,186.56

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Solution

The fourth proportional to 4,783, 7,176.92 and 2,186.56 is: 3,280.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783 : 7,176.92 = 2,186.56 : x
  2. Step 2: Convert to fraction form
    4,783/7,176.92 = 2,186.56/x
  3. Step 3: Cross multiply
    4,783x = 7,176.92 × 2,186.56
  4. Step 4: Simplify right side
    4,783x = 15,692,766.20
  5. Step 5: Solve for x
    x = 15,692,766.20/4,783
  6. Step 6: Final answer
    x = 3,280.95

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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.