Home / 5,808.61-8,710.73-2,109.92

Finding the Fourth Proportional to 5,808.61, 8,710.73 and 2,109.92

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Solution

The fourth proportional to 5,808.61, 8,710.73 and 2,109.92 is: 3,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.61 : 8,710.73 = 2,109.92 : x
  2. Step 2: Convert to fraction form
    5,808.61/8,710.73 = 2,109.92/x
  3. Step 3: Cross multiply
    5,808.61x = 8,710.73 × 2,109.92
  4. Step 4: Simplify right side
    5,808.61x = 18,378,932.89
  5. Step 5: Solve for x
    x = 18,378,932.89/5,808.61
  6. Step 6: Final answer
    x = 3,164.09

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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.