Home / 4,625.94-6,384.51-3,638.70

Finding the Fourth Proportional to 4,625.94, 6,384.51 and 3,638.70

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Solution

The fourth proportional to 4,625.94, 6,384.51 and 3,638.70 is: 5,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625.94 : 6,384.51 = 3,638.70 : x
  2. Step 2: Convert to fraction form
    4,625.94/6,384.51 = 3,638.70/x
  3. Step 3: Cross multiply
    4,625.94x = 6,384.51 × 3,638.70
  4. Step 4: Simplify right side
    4,625.94x = 23,231,316.54
  5. Step 5: Solve for x
    x = 23,231,316.54/4,625.94
  6. Step 6: Final answer
    x = 5,021.97

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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.