Home / 8,320.42-12,480.99-2,773.95

Finding the Fourth Proportional to 8,320.42, 12,480.99 and 2,773.95

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Solution

The fourth proportional to 8,320.42, 12,480.99 and 2,773.95 is: 4,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.42 : 12,480.99 = 2,773.95 : x
  2. Step 2: Convert to fraction form
    8,320.42/12,480.99 = 2,773.95/x
  3. Step 3: Cross multiply
    8,320.42x = 12,480.99 × 2,773.95
  4. Step 4: Simplify right side
    8,320.42x = 34,621,585.00
  5. Step 5: Solve for x
    x = 34,621,585.00/8,320.42
  6. Step 6: Final answer
    x = 4,161.04

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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.