Home / 4,297.51-6,446.15-1,375.78

Finding the Fourth Proportional to 4,297.51, 6,446.15 and 1,375.78

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Solution

The fourth proportional to 4,297.51, 6,446.15 and 1,375.78 is: 2,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,297.51 : 6,446.15 = 1,375.78 : x
  2. Step 2: Convert to fraction form
    4,297.51/6,446.15 = 1,375.78/x
  3. Step 3: Cross multiply
    4,297.51x = 6,446.15 × 1,375.78
  4. Step 4: Simplify right side
    4,297.51x = 8,868,484.25
  5. Step 5: Solve for x
    x = 8,868,484.25/4,297.51
  6. Step 6: Final answer
    x = 2,063.63

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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.