Home / 5,809.22-8,709.97-2,111.01

Finding the Fourth Proportional to 5,809.22, 8,709.97 and 2,111.01

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Solution

The fourth proportional to 5,809.22, 8,709.97 and 2,111.01 is: 3,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.22 : 8,709.97 = 2,111.01 : x
  2. Step 2: Convert to fraction form
    5,809.22/8,709.97 = 2,111.01/x
  3. Step 3: Cross multiply
    5,809.22x = 8,709.97 × 2,111.01
  4. Step 4: Simplify right side
    5,809.22x = 18,386,790.22
  5. Step 5: Solve for x
    x = 18,386,790.22/5,809.22
  6. Step 6: Final answer
    x = 3,165.11

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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.