Home / 5,808.37-8,712.55-2,109.91

Finding the Fourth Proportional to 5,808.37, 8,712.55 and 2,109.91

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Solution

The fourth proportional to 5,808.37, 8,712.55 and 2,109.91 is: 3,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.37 : 8,712.55 = 2,109.91 : x
  2. Step 2: Convert to fraction form
    5,808.37/8,712.55 = 2,109.91/x
  3. Step 3: Cross multiply
    5,808.37x = 8,712.55 × 2,109.91
  4. Step 4: Simplify right side
    5,808.37x = 18,382,647.53
  5. Step 5: Solve for x
    x = 18,382,647.53/5,808.37
  6. Step 6: Final answer
    x = 3,164.86

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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.