Home / 4,896.09-7,328.61-3,138.75

Finding the Fourth Proportional to 4,896.09, 7,328.61 and 3,138.75

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Solution

The fourth proportional to 4,896.09, 7,328.61 and 3,138.75 is: 4,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,896.09 : 7,328.61 = 3,138.75 : x
  2. Step 2: Convert to fraction form
    4,896.09/7,328.61 = 3,138.75/x
  3. Step 3: Cross multiply
    4,896.09x = 7,328.61 × 3,138.75
  4. Step 4: Simplify right side
    4,896.09x = 23,002,674.64
  5. Step 5: Solve for x
    x = 23,002,674.64/4,896.09
  6. Step 6: Final answer
    x = 4,698.17

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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.