Home / 5,898.40-8,138.32-3,800

Finding the Fourth Proportional to 5,898.40, 8,138.32 and 3,800

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Solution

The fourth proportional to 5,898.40, 8,138.32 and 3,800 is: 5,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,898.40 : 8,138.32 = 3,800 : x
  2. Step 2: Convert to fraction form
    5,898.40/8,138.32 = 3,800/x
  3. Step 3: Cross multiply
    5,898.40x = 8,138.32 × 3,800
  4. Step 4: Simplify right side
    5,898.40x = 30,925,616
  5. Step 5: Solve for x
    x = 30,925,616/5,898.40
  6. Step 6: Final answer
    x = 5,243.05

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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.