Home / 4,517.76-6,776.88-1,399.92

Finding the Fourth Proportional to 4,517.76, 6,776.88 and 1,399.92

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Solution

The fourth proportional to 4,517.76, 6,776.88 and 1,399.92 is: 2,099.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,517.76 : 6,776.88 = 1,399.92 : x
  2. Step 2: Convert to fraction form
    4,517.76/6,776.88 = 1,399.92/x
  3. Step 3: Cross multiply
    4,517.76x = 6,776.88 × 1,399.92
  4. Step 4: Simplify right side
    4,517.76x = 9,487,089.85
  5. Step 5: Solve for x
    x = 9,487,089.85/4,517.76
  6. Step 6: Final answer
    x = 2,099.95

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1.5x scale

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.