Home / 4,900.50-6,753.24-3,129.03

Finding the Fourth Proportional to 4,900.50, 6,753.24 and 3,129.03

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Solution

The fourth proportional to 4,900.50, 6,753.24 and 3,129.03 is: 4,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.50 : 6,753.24 = 3,129.03 : x
  2. Step 2: Convert to fraction form
    4,900.50/6,753.24 = 3,129.03/x
  3. Step 3: Cross multiply
    4,900.50x = 6,753.24 × 3,129.03
  4. Step 4: Simplify right side
    4,900.50x = 21,131,090.56
  5. Step 5: Solve for x
    x = 21,131,090.56/4,900.50
  6. Step 6: Final answer
    x = 4,312.03

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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.