Home / 4,754.02-7,129.21-3,288.73

Finding the Fourth Proportional to 4,754.02, 7,129.21 and 3,288.73

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Solution

The fourth proportional to 4,754.02, 7,129.21 and 3,288.73 is: 4,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.02 : 7,129.21 = 3,288.73 : x
  2. Step 2: Convert to fraction form
    4,754.02/7,129.21 = 3,288.73/x
  3. Step 3: Cross multiply
    4,754.02x = 7,129.21 × 3,288.73
  4. Step 4: Simplify right side
    4,754.02x = 23,446,046.80
  5. Step 5: Solve for x
    x = 23,446,046.80/4,754.02
  6. Step 6: Final answer
    x = 4,931.84

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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.