Home / 8,320.02-12,483.45-3,936.30

Finding the Fourth Proportional to 8,320.02, 12,483.45 and 3,936.30

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Solution

The fourth proportional to 8,320.02, 12,483.45 and 3,936.30 is: 5,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.02 : 12,483.45 = 3,936.30 : x
  2. Step 2: Convert to fraction form
    8,320.02/12,483.45 = 3,936.30/x
  3. Step 3: Cross multiply
    8,320.02x = 12,483.45 × 3,936.30
  4. Step 4: Simplify right side
    8,320.02x = 49,138,604.24
  5. Step 5: Solve for x
    x = 49,138,604.24/8,320.02
  6. Step 6: Final answer
    x = 5,906.07

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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.