Home / 5,375.15-8,054.51-4,202.36

Finding the Fourth Proportional to 5,375.15, 8,054.51 and 4,202.36

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Solution

The fourth proportional to 5,375.15, 8,054.51 and 4,202.36 is: 6,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.15 : 8,054.51 = 4,202.36 : x
  2. Step 2: Convert to fraction form
    5,375.15/8,054.51 = 4,202.36/x
  3. Step 3: Cross multiply
    5,375.15x = 8,054.51 × 4,202.36
  4. Step 4: Simplify right side
    5,375.15x = 33,847,981.29
  5. Step 5: Solve for x
    x = 33,847,981.29/5,375.15
  6. Step 6: Final answer
    x = 6,297.13

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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.