Home / 5,828.52-8,736.30-2,127.72

Finding the Fourth Proportional to 5,828.52, 8,736.30 and 2,127.72

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Solution

The fourth proportional to 5,828.52, 8,736.30 and 2,127.72 is: 3,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.52 : 8,736.30 = 2,127.72 : x
  2. Step 2: Convert to fraction form
    5,828.52/8,736.30 = 2,127.72/x
  3. Step 3: Cross multiply
    5,828.52x = 8,736.30 × 2,127.72
  4. Step 4: Simplify right side
    5,828.52x = 18,588,400.24
  5. Step 5: Solve for x
    x = 18,588,400.24/5,828.52
  6. Step 6: Final answer
    x = 3,189.21

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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.