Home / 4,751.12-6,552.72-3,072.80

Finding the Fourth Proportional to 4,751.12, 6,552.72 and 3,072.80

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Solution

The fourth proportional to 4,751.12, 6,552.72 and 3,072.80 is: 4,237.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.12 : 6,552.72 = 3,072.80 : x
  2. Step 2: Convert to fraction form
    4,751.12/6,552.72 = 3,072.80/x
  3. Step 3: Cross multiply
    4,751.12x = 6,552.72 × 3,072.80
  4. Step 4: Simplify right side
    4,751.12x = 20,135,198.02
  5. Step 5: Solve for x
    x = 20,135,198.02/4,751.12
  6. Step 6: Final answer
    x = 4,237.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.