Home / 5,484.21-8,225.47-1,786.43

Finding the Fourth Proportional to 5,484.21, 8,225.47 and 1,786.43

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Solution

The fourth proportional to 5,484.21, 8,225.47 and 1,786.43 is: 2,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.21 : 8,225.47 = 1,786.43 : x
  2. Step 2: Convert to fraction form
    5,484.21/8,225.47 = 1,786.43/x
  3. Step 3: Cross multiply
    5,484.21x = 8,225.47 × 1,786.43
  4. Step 4: Simplify right side
    5,484.21x = 14,694,231.06
  5. Step 5: Solve for x
    x = 14,694,231.06/5,484.21
  6. Step 6: Final answer
    x = 2,679.37

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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.