Home / 8,198.45-11,313.41-4,840.50

Finding the Fourth Proportional to 8,198.45, 11,313.41 and 4,840.50

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Solution

The fourth proportional to 8,198.45, 11,313.41 and 4,840.50 is: 6,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.45 : 11,313.41 = 4,840.50 : x
  2. Step 2: Convert to fraction form
    8,198.45/11,313.41 = 4,840.50/x
  3. Step 3: Cross multiply
    8,198.45x = 11,313.41 × 4,840.50
  4. Step 4: Simplify right side
    8,198.45x = 54,762,561.11
  5. Step 5: Solve for x
    x = 54,762,561.11/8,198.45
  6. Step 6: Final answer
    x = 6,679.62

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1.5x scale

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.