Home / 5,484.82-8,225.08-1,786.15

Finding the Fourth Proportional to 5,484.82, 8,225.08 and 1,786.15

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Solution

The fourth proportional to 5,484.82, 8,225.08 and 1,786.15 is: 2,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.82 : 8,225.08 = 1,786.15 : x
  2. Step 2: Convert to fraction form
    5,484.82/8,225.08 = 1,786.15/x
  3. Step 3: Cross multiply
    5,484.82x = 8,225.08 × 1,786.15
  4. Step 4: Simplify right side
    5,484.82x = 14,691,226.64
  5. Step 5: Solve for x
    x = 14,691,226.64/5,484.82
  6. Step 6: Final answer
    x = 2,678.52

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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.