Home / 4,728.05-7,095.85-2,131.19

Finding the Fourth Proportional to 4,728.05, 7,095.85 and 2,131.19

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Solution

The fourth proportional to 4,728.05, 7,095.85 and 2,131.19 is: 3,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.05 : 7,095.85 = 2,131.19 : x
  2. Step 2: Convert to fraction form
    4,728.05/7,095.85 = 2,131.19/x
  3. Step 3: Cross multiply
    4,728.05x = 7,095.85 × 2,131.19
  4. Step 4: Simplify right side
    4,728.05x = 15,122,563.75
  5. Step 5: Solve for x
    x = 15,122,563.75/4,728.05
  6. Step 6: Final answer
    x = 3,198.48

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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.