Home / 4,297.36-6,447.18-1,375.72

Finding the Fourth Proportional to 4,297.36, 6,447.18 and 1,375.72

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Solution

The fourth proportional to 4,297.36, 6,447.18 and 1,375.72 is: 2,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,297.36 : 6,447.18 = 1,375.72 : x
  2. Step 2: Convert to fraction form
    4,297.36/6,447.18 = 1,375.72/x
  3. Step 3: Cross multiply
    4,297.36x = 6,447.18 × 1,375.72
  4. Step 4: Simplify right side
    4,297.36x = 8,869,514.47
  5. Step 5: Solve for x
    x = 8,869,514.47/4,297.36
  6. Step 6: Final answer
    x = 2,063.94

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1.5x scale

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.