Home / 5,808.79-8,710.45-2,108.43

Finding the Fourth Proportional to 5,808.79, 8,710.45 and 2,108.43

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Solution

The fourth proportional to 5,808.79, 8,710.45 and 2,108.43 is: 3,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.79 : 8,710.45 = 2,108.43 : x
  2. Step 2: Convert to fraction form
    5,808.79/8,710.45 = 2,108.43/x
  3. Step 3: Cross multiply
    5,808.79x = 8,710.45 × 2,108.43
  4. Step 4: Simplify right side
    5,808.79x = 18,365,374.09
  5. Step 5: Solve for x
    x = 18,365,374.09/5,808.79
  6. Step 6: Final answer
    x = 3,161.65

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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.