Home / 6,738.30-10,107.48-3,679.74

Finding the Fourth Proportional to 6,738.30, 10,107.48 and 3,679.74

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Solution

The fourth proportional to 6,738.30, 10,107.48 and 3,679.74 is: 5,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.30 : 10,107.48 = 3,679.74 : x
  2. Step 2: Convert to fraction form
    6,738.30/10,107.48 = 3,679.74/x
  3. Step 3: Cross multiply
    6,738.30x = 10,107.48 × 3,679.74
  4. Step 4: Simplify right side
    6,738.30x = 37,192,898.46
  5. Step 5: Solve for x
    x = 37,192,898.46/6,738.30
  6. Step 6: Final answer
    x = 5,519.63

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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.