Home / 4,393.50-6,588.42-1,620.33

Finding the Fourth Proportional to 4,393.50, 6,588.42 and 1,620.33

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Solution

The fourth proportional to 4,393.50, 6,588.42 and 1,620.33 is: 2,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.50 : 6,588.42 = 1,620.33 : x
  2. Step 2: Convert to fraction form
    4,393.50/6,588.42 = 1,620.33/x
  3. Step 3: Cross multiply
    4,393.50x = 6,588.42 × 1,620.33
  4. Step 4: Simplify right side
    4,393.50x = 10,675,414.58
  5. Step 5: Solve for x
    x = 10,675,414.58/4,393.50
  6. Step 6: Final answer
    x = 2,429.82

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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.