Home / 4,392.16-6,589.98-2,640.46

Finding the Fourth Proportional to 4,392.16, 6,589.98 and 2,640.46

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Solution

The fourth proportional to 4,392.16, 6,589.98 and 2,640.46 is: 3,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.16 : 6,589.98 = 2,640.46 : x
  2. Step 2: Convert to fraction form
    4,392.16/6,589.98 = 2,640.46/x
  3. Step 3: Cross multiply
    4,392.16x = 6,589.98 × 2,640.46
  4. Step 4: Simplify right side
    4,392.16x = 17,400,578.59
  5. Step 5: Solve for x
    x = 17,400,578.59/4,392.16
  6. Step 6: Final answer
    x = 3,961.74

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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.