Home / 4,288.47-5,917.32-2,520.43

Finding the Fourth Proportional to 4,288.47, 5,917.32 and 2,520.43

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Solution

The fourth proportional to 4,288.47, 5,917.32 and 2,520.43 is: 3,477.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.47 : 5,917.32 = 2,520.43 : x
  2. Step 2: Convert to fraction form
    4,288.47/5,917.32 = 2,520.43/x
  3. Step 3: Cross multiply
    4,288.47x = 5,917.32 × 2,520.43
  4. Step 4: Simplify right side
    4,288.47x = 14,914,190.85
  5. Step 5: Solve for x
    x = 14,914,190.85/4,288.47
  6. Step 6: Final answer
    x = 3,477.74

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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.