Home / 5,059.71-6,982.22-2,821.55

Finding the Fourth Proportional to 5,059.71, 6,982.22 and 2,821.55

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Solution

The fourth proportional to 5,059.71, 6,982.22 and 2,821.55 is: 3,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.71 : 6,982.22 = 2,821.55 : x
  2. Step 2: Convert to fraction form
    5,059.71/6,982.22 = 2,821.55/x
  3. Step 3: Cross multiply
    5,059.71x = 6,982.22 × 2,821.55
  4. Step 4: Simplify right side
    5,059.71x = 19,700,668.73
  5. Step 5: Solve for x
    x = 19,700,668.73/5,059.71
  6. Step 6: Final answer
    x = 3,893.64

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1.5x scale

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.