Home / 5,721.89-8,584.28-1,826.30

Finding the Fourth Proportional to 5,721.89, 8,584.28 and 1,826.30

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Solution

The fourth proportional to 5,721.89, 8,584.28 and 1,826.30 is: 2,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.89 : 8,584.28 = 1,826.30 : x
  2. Step 2: Convert to fraction form
    5,721.89/8,584.28 = 1,826.30/x
  3. Step 3: Cross multiply
    5,721.89x = 8,584.28 × 1,826.30
  4. Step 4: Simplify right side
    5,721.89x = 15,677,441.46
  5. Step 5: Solve for x
    x = 15,677,441.46/5,721.89
  6. Step 6: Final answer
    x = 2,739.91

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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.