Home / 5,777.05-8,664.67-1,881.43

Finding the Fourth Proportional to 5,777.05, 8,664.67 and 1,881.43

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Solution

The fourth proportional to 5,777.05, 8,664.67 and 1,881.43 is: 2,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.05 : 8,664.67 = 1,881.43 : x
  2. Step 2: Convert to fraction form
    5,777.05/8,664.67 = 1,881.43/x
  3. Step 3: Cross multiply
    5,777.05x = 8,664.67 × 1,881.43
  4. Step 4: Simplify right side
    5,777.05x = 16,301,970.08
  5. Step 5: Solve for x
    x = 16,301,970.08/5,777.05
  6. Step 6: Final answer
    x = 2,821.85

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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.