Home / 4,812.72-7,201.10-3,429.24

Finding the Fourth Proportional to 4,812.72, 7,201.10 and 3,429.24

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Solution

The fourth proportional to 4,812.72, 7,201.10 and 3,429.24 is: 5,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.72 : 7,201.10 = 3,429.24 : x
  2. Step 2: Convert to fraction form
    4,812.72/7,201.10 = 3,429.24/x
  3. Step 3: Cross multiply
    4,812.72x = 7,201.10 × 3,429.24
  4. Step 4: Simplify right side
    4,812.72x = 24,694,300.16
  5. Step 5: Solve for x
    x = 24,694,300.16/4,812.72
  6. Step 6: Final answer
    x = 5,131.05

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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.