Home / 5,175.03-7,134.87-3,760.77

Finding the Fourth Proportional to 5,175.03, 7,134.87 and 3,760.77

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Solution

The fourth proportional to 5,175.03, 7,134.87 and 3,760.77 is: 5,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.03 : 7,134.87 = 3,760.77 : x
  2. Step 2: Convert to fraction form
    5,175.03/7,134.87 = 3,760.77/x
  3. Step 3: Cross multiply
    5,175.03x = 7,134.87 × 3,760.77
  4. Step 4: Simplify right side
    5,175.03x = 26,832,605.05
  5. Step 5: Solve for x
    x = 26,832,605.05/5,175.03
  6. Step 6: Final answer
    x = 5,185.01

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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.