Home / 4,682.43-7,021.32-2,490.57

Finding the Fourth Proportional to 4,682.43, 7,021.32 and 2,490.57

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Solution

The fourth proportional to 4,682.43, 7,021.32 and 2,490.57 is: 3,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682.43 : 7,021.32 = 2,490.57 : x
  2. Step 2: Convert to fraction form
    4,682.43/7,021.32 = 2,490.57/x
  3. Step 3: Cross multiply
    4,682.43x = 7,021.32 × 2,490.57
  4. Step 4: Simplify right side
    4,682.43x = 17,487,088.95
  5. Step 5: Solve for x
    x = 17,487,088.95/4,682.43
  6. Step 6: Final answer
    x = 3,734.62

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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.