Home / 4,517.21-6,776.72-1,920.13

Finding the Fourth Proportional to 4,517.21, 6,776.72 and 1,920.13

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Solution

The fourth proportional to 4,517.21, 6,776.72 and 1,920.13 is: 2,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,517.21 : 6,776.72 = 1,920.13 : x
  2. Step 2: Convert to fraction form
    4,517.21/6,776.72 = 1,920.13/x
  3. Step 3: Cross multiply
    4,517.21x = 6,776.72 × 1,920.13
  4. Step 4: Simplify right side
    4,517.21x = 13,012,183.37
  5. Step 5: Solve for x
    x = 13,012,183.37/4,517.21
  6. Step 6: Final answer
    x = 2,880.58

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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.