Home / 5,375.78-7,407.64-4,116.84

Finding the Fourth Proportional to 5,375.78, 7,407.64 and 4,116.84

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Solution

The fourth proportional to 5,375.78, 7,407.64 and 4,116.84 is: 5,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.78 : 7,407.64 = 4,116.84 : x
  2. Step 2: Convert to fraction form
    5,375.78/7,407.64 = 4,116.84/x
  3. Step 3: Cross multiply
    5,375.78x = 7,407.64 × 4,116.84
  4. Step 4: Simplify right side
    5,375.78x = 30,496,022.87
  5. Step 5: Solve for x
    x = 30,496,022.87/5,375.78
  6. Step 6: Final answer
    x = 5,672.86

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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.