Home / 8,480.02-12,719.82-2,933.20

Finding the Fourth Proportional to 8,480.02, 12,719.82 and 2,933.20

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Solution

The fourth proportional to 8,480.02, 12,719.82 and 2,933.20 is: 4,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.02 : 12,719.82 = 2,933.20 : x
  2. Step 2: Convert to fraction form
    8,480.02/12,719.82 = 2,933.20/x
  3. Step 3: Cross multiply
    8,480.02x = 12,719.82 × 2,933.20
  4. Step 4: Simplify right side
    8,480.02x = 37,309,776.02
  5. Step 5: Solve for x
    x = 37,309,776.02/8,480.02
  6. Step 6: Final answer
    x = 4,399.73

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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.