Home / 4,644.18-6,406.80-3,383.21

Finding the Fourth Proportional to 4,644.18, 6,406.80 and 3,383.21

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Solution

The fourth proportional to 4,644.18, 6,406.80 and 3,383.21 is: 4,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.18 : 6,406.80 = 3,383.21 : x
  2. Step 2: Convert to fraction form
    4,644.18/6,406.80 = 3,383.21/x
  3. Step 3: Cross multiply
    4,644.18x = 6,406.80 × 3,383.21
  4. Step 4: Simplify right side
    4,644.18x = 21,675,517.79
  5. Step 5: Solve for x
    x = 21,675,517.79/4,644.18
  6. Step 6: Final answer
    x = 4,667.24

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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.