Home / 5,375.84-7,418.66-3,018.74

Finding the Fourth Proportional to 5,375.84, 7,418.66 and 3,018.74

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Solution

The fourth proportional to 5,375.84, 7,418.66 and 3,018.74 is: 4,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.84 : 7,418.66 = 3,018.74 : x
  2. Step 2: Convert to fraction form
    5,375.84/7,418.66 = 3,018.74/x
  3. Step 3: Cross multiply
    5,375.84x = 7,418.66 × 3,018.74
  4. Step 4: Simplify right side
    5,375.84x = 22,395,005.69
  5. Step 5: Solve for x
    x = 22,395,005.69/5,375.84
  6. Step 6: Final answer
    x = 4,165.86

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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.