Home / 4,821.40-7,231.86-2,634.40

Finding the Fourth Proportional to 4,821.40, 7,231.86 and 2,634.40

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Solution

The fourth proportional to 4,821.40, 7,231.86 and 2,634.40 is: 3,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.40 : 7,231.86 = 2,634.40 : x
  2. Step 2: Convert to fraction form
    4,821.40/7,231.86 = 2,634.40/x
  3. Step 3: Cross multiply
    4,821.40x = 7,231.86 × 2,634.40
  4. Step 4: Simplify right side
    4,821.40x = 19,051,611.98
  5. Step 5: Solve for x
    x = 19,051,611.98/4,821.40
  6. Step 6: Final answer
    x = 3,951.47

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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.