Home / 5,814.76-8,011.44-3,821.80

Finding the Fourth Proportional to 5,814.76, 8,011.44 and 3,821.80

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Solution

The fourth proportional to 5,814.76, 8,011.44 and 3,821.80 is: 5,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.76 : 8,011.44 = 3,821.80 : x
  2. Step 2: Convert to fraction form
    5,814.76/8,011.44 = 3,821.80/x
  3. Step 3: Cross multiply
    5,814.76x = 8,011.44 × 3,821.80
  4. Step 4: Simplify right side
    5,814.76x = 30,618,121.39
  5. Step 5: Solve for x
    x = 30,618,121.39/5,814.76
  6. Step 6: Final answer
    x = 5,265.59

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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.