Home / 4,243.22-6,356.70-2,388.72

Finding the Fourth Proportional to 4,243.22, 6,356.70 and 2,388.72

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Solution

The fourth proportional to 4,243.22, 6,356.70 and 2,388.72 is: 3,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.22 : 6,356.70 = 2,388.72 : x
  2. Step 2: Convert to fraction form
    4,243.22/6,356.70 = 2,388.72/x
  3. Step 3: Cross multiply
    4,243.22x = 6,356.70 × 2,388.72
  4. Step 4: Simplify right side
    4,243.22x = 15,184,376.42
  5. Step 5: Solve for x
    x = 15,184,376.42/4,243.22
  6. Step 6: Final answer
    x = 3,578.51

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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.