Home / 4,755.29-7,136.64-3,111.39

Finding the Fourth Proportional to 4,755.29, 7,136.64 and 3,111.39

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Solution

The fourth proportional to 4,755.29, 7,136.64 and 3,111.39 is: 4,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.29 : 7,136.64 = 3,111.39 : x
  2. Step 2: Convert to fraction form
    4,755.29/7,136.64 = 3,111.39/x
  3. Step 3: Cross multiply
    4,755.29x = 7,136.64 × 3,111.39
  4. Step 4: Simplify right side
    4,755.29x = 22,204,870.33
  5. Step 5: Solve for x
    x = 22,204,870.33/4,755.29
  6. Step 6: Final answer
    x = 4,669.51

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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.