Home / 4,098.75-6,138.87-3,360.63

Finding the Fourth Proportional to 4,098.75, 6,138.87 and 3,360.63

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Solution

The fourth proportional to 4,098.75, 6,138.87 and 3,360.63 is: 5,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.75 : 6,138.87 = 3,360.63 : x
  2. Step 2: Convert to fraction form
    4,098.75/6,138.87 = 3,360.63/x
  3. Step 3: Cross multiply
    4,098.75x = 6,138.87 × 3,360.63
  4. Step 4: Simplify right side
    4,098.75x = 20,630,470.69
  5. Step 5: Solve for x
    x = 20,630,470.69/4,098.75
  6. Step 6: Final answer
    x = 5,033.36

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1.5x scale

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.