Home / 4,642.13-6,414.62-3,380.99

Finding the Fourth Proportional to 4,642.13, 6,414.62 and 3,380.99

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Solution

The fourth proportional to 4,642.13, 6,414.62 and 3,380.99 is: 4,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.13 : 6,414.62 = 3,380.99 : x
  2. Step 2: Convert to fraction form
    4,642.13/6,414.62 = 3,380.99/x
  3. Step 3: Cross multiply
    4,642.13x = 6,414.62 × 3,380.99
  4. Step 4: Simplify right side
    4,642.13x = 21,687,717.10
  5. Step 5: Solve for x
    x = 21,687,717.10/4,642.13
  6. Step 6: Final answer
    x = 4,671.93

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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.