Home / 5,175.36-7,761.22-1,665.23

Finding the Fourth Proportional to 5,175.36, 7,761.22 and 1,665.23

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Solution

The fourth proportional to 5,175.36, 7,761.22 and 1,665.23 is: 2,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.36 : 7,761.22 = 1,665.23 : x
  2. Step 2: Convert to fraction form
    5,175.36/7,761.22 = 1,665.23/x
  3. Step 3: Cross multiply
    5,175.36x = 7,761.22 × 1,665.23
  4. Step 4: Simplify right side
    5,175.36x = 12,924,173.41
  5. Step 5: Solve for x
    x = 12,924,173.41/5,175.36
  6. Step 6: Final answer
    x = 2,497.25

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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.