Home / 5,669.49-8,501.12-2,109.81

Finding the Fourth Proportional to 5,669.49, 8,501.12 and 2,109.81

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Solution

The fourth proportional to 5,669.49, 8,501.12 and 2,109.81 is: 3,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.49 : 8,501.12 = 2,109.81 : x
  2. Step 2: Convert to fraction form
    5,669.49/8,501.12 = 2,109.81/x
  3. Step 3: Cross multiply
    5,669.49x = 8,501.12 × 2,109.81
  4. Step 4: Simplify right side
    5,669.49x = 17,935,737.44
  5. Step 5: Solve for x
    x = 17,935,737.44/5,669.49
  6. Step 6: Final answer
    x = 3,163.55

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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.