Home / 5,890.34-8,128.79-3,238.00

Finding the Fourth Proportional to 5,890.34, 8,128.79 and 3,238.00

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Solution

The fourth proportional to 5,890.34, 8,128.79 and 3,238.00 is: 4,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.34 : 8,128.79 = 3,238.00 : x
  2. Step 2: Convert to fraction form
    5,890.34/8,128.79 = 3,238.00/x
  3. Step 3: Cross multiply
    5,890.34x = 8,128.79 × 3,238.00
  4. Step 4: Simplify right side
    5,890.34x = 26,320,997.65
  5. Step 5: Solve for x
    x = 26,320,997.65/5,890.34
  6. Step 6: Final answer
    x = 4,468.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.