Home / 4,794.90-7,186.61-2,821.47

Finding the Fourth Proportional to 4,794.90, 7,186.61 and 2,821.47

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Solution

The fourth proportional to 4,794.90, 7,186.61 and 2,821.47 is: 4,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,794.90 : 7,186.61 = 2,821.47 : x
  2. Step 2: Convert to fraction form
    4,794.90/7,186.61 = 2,821.47/x
  3. Step 3: Cross multiply
    4,794.90x = 7,186.61 × 2,821.47
  4. Step 4: Simplify right side
    4,794.90x = 20,276,790.41
  5. Step 5: Solve for x
    x = 20,276,790.41/4,794.90
  6. Step 6: Final answer
    x = 4,228.82

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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.