Home / 6,664.87-9,194.47-3,868.75

Finding the Fourth Proportional to 6,664.87, 9,194.47 and 3,868.75

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Solution

The fourth proportional to 6,664.87, 9,194.47 and 3,868.75 is: 5,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.87 : 9,194.47 = 3,868.75 : x
  2. Step 2: Convert to fraction form
    6,664.87/9,194.47 = 3,868.75/x
  3. Step 3: Cross multiply
    6,664.87x = 9,194.47 × 3,868.75
  4. Step 4: Simplify right side
    6,664.87x = 35,571,105.81
  5. Step 5: Solve for x
    x = 35,571,105.81/6,664.87
  6. Step 6: Final answer
    x = 5,337.10

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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.