Home / 5,918.98-8,168.62-3,401.50

Finding the Fourth Proportional to 5,918.98, 8,168.62 and 3,401.50

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Solution

The fourth proportional to 5,918.98, 8,168.62 and 3,401.50 is: 4,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.98 : 8,168.62 = 3,401.50 : x
  2. Step 2: Convert to fraction form
    5,918.98/8,168.62 = 3,401.50/x
  3. Step 3: Cross multiply
    5,918.98x = 8,168.62 × 3,401.50
  4. Step 4: Simplify right side
    5,918.98x = 27,785,560.93
  5. Step 5: Solve for x
    x = 27,785,560.93/5,918.98
  6. Step 6: Final answer
    x = 4,694.32

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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.