Home / 5,905.08-8,855.22-2,155.98

Finding the Fourth Proportional to 5,905.08, 8,855.22 and 2,155.98

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Solution

The fourth proportional to 5,905.08, 8,855.22 and 2,155.98 is: 3,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.08 : 8,855.22 = 2,155.98 : x
  2. Step 2: Convert to fraction form
    5,905.08/8,855.22 = 2,155.98/x
  3. Step 3: Cross multiply
    5,905.08x = 8,855.22 × 2,155.98
  4. Step 4: Simplify right side
    5,905.08x = 19,091,677.22
  5. Step 5: Solve for x
    x = 19,091,677.22/5,905.08
  6. Step 6: Final answer
    x = 3,233.09

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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.