Home / 4,619.88-6,376.62-2,853

Finding the Fourth Proportional to 4,619.88, 6,376.62 and 2,853

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Solution

The fourth proportional to 4,619.88, 6,376.62 and 2,853 is: 3,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.88 : 6,376.62 = 2,853 : x
  2. Step 2: Convert to fraction form
    4,619.88/6,376.62 = 2,853/x
  3. Step 3: Cross multiply
    4,619.88x = 6,376.62 × 2,853
  4. Step 4: Simplify right side
    4,619.88x = 18,192,496.86
  5. Step 5: Solve for x
    x = 18,192,496.86/4,619.88
  6. Step 6: Final answer
    x = 3,937.87

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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.