Home / 5,163.70-7,127.04-3,395.48

Finding the Fourth Proportional to 5,163.70, 7,127.04 and 3,395.48

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Solution

The fourth proportional to 5,163.70, 7,127.04 and 3,395.48 is: 4,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.70 : 7,127.04 = 3,395.48 : x
  2. Step 2: Convert to fraction form
    5,163.70/7,127.04 = 3,395.48/x
  3. Step 3: Cross multiply
    5,163.70x = 7,127.04 × 3,395.48
  4. Step 4: Simplify right side
    5,163.70x = 24,199,721.78
  5. Step 5: Solve for x
    x = 24,199,721.78/5,163.70
  6. Step 6: Final answer
    x = 4,686.51

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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.