Home / 5,898.67-8,135.56-3,908.50

Finding the Fourth Proportional to 5,898.67, 8,135.56 and 3,908.50

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Solution

The fourth proportional to 5,898.67, 8,135.56 and 3,908.50 is: 5,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,898.67 : 8,135.56 = 3,908.50 : x
  2. Step 2: Convert to fraction form
    5,898.67/8,135.56 = 3,908.50/x
  3. Step 3: Cross multiply
    5,898.67x = 8,135.56 × 3,908.50
  4. Step 4: Simplify right side
    5,898.67x = 31,797,836.26
  5. Step 5: Solve for x
    x = 31,797,836.26/5,898.67
  6. Step 6: Final answer
    x = 5,390.68

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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.