Home / 5,175.89-7,136.07-3,761.63

Finding the Fourth Proportional to 5,175.89, 7,136.07 and 3,761.63

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Solution

The fourth proportional to 5,175.89, 7,136.07 and 3,761.63 is: 5,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.89 : 7,136.07 = 3,761.63 : x
  2. Step 2: Convert to fraction form
    5,175.89/7,136.07 = 3,761.63/x
  3. Step 3: Cross multiply
    5,175.89x = 7,136.07 × 3,761.63
  4. Step 4: Simplify right side
    5,175.89x = 26,843,254.99
  5. Step 5: Solve for x
    x = 26,843,254.99/5,175.89
  6. Step 6: Final answer
    x = 5,186.21

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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.