Home / 5,855.70-8,783.67-2,156.03

Finding the Fourth Proportional to 5,855.70, 8,783.67 and 2,156.03

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Solution

The fourth proportional to 5,855.70, 8,783.67 and 2,156.03 is: 3,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.70 : 8,783.67 = 2,156.03 : x
  2. Step 2: Convert to fraction form
    5,855.70/8,783.67 = 2,156.03/x
  3. Step 3: Cross multiply
    5,855.70x = 8,783.67 × 2,156.03
  4. Step 4: Simplify right side
    5,855.70x = 18,937,801.33
  5. Step 5: Solve for x
    x = 18,937,801.33/5,855.70
  6. Step 6: Final answer
    x = 3,234.08

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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.