Home / 5,765.19-8,644.92-1,869.09

Finding the Fourth Proportional to 5,765.19, 8,644.92 and 1,869.09

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Solution

The fourth proportional to 5,765.19, 8,644.92 and 1,869.09 is: 2,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.19 : 8,644.92 = 1,869.09 : x
  2. Step 2: Convert to fraction form
    5,765.19/8,644.92 = 1,869.09/x
  3. Step 3: Cross multiply
    5,765.19x = 8,644.92 × 1,869.09
  4. Step 4: Simplify right side
    5,765.19x = 16,158,133.52
  5. Step 5: Solve for x
    x = 16,158,133.52/5,765.19
  6. Step 6: Final answer
    x = 2,802.71

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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.