Home / 5,577.09-8,363.18-2,111.91

Finding the Fourth Proportional to 5,577.09, 8,363.18 and 2,111.91

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Solution

The fourth proportional to 5,577.09, 8,363.18 and 2,111.91 is: 3,166.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.09 : 8,363.18 = 2,111.91 : x
  2. Step 2: Convert to fraction form
    5,577.09/8,363.18 = 2,111.91/x
  3. Step 3: Cross multiply
    5,577.09x = 8,363.18 × 2,111.91
  4. Step 4: Simplify right side
    5,577.09x = 17,662,257.39
  5. Step 5: Solve for x
    x = 17,662,257.39/5,577.09
  6. Step 6: Final answer
    x = 3,166.93

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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.