Home / 6,571.36-9,858.56-2,188.86

Finding the Fourth Proportional to 6,571.36, 9,858.56 and 2,188.86

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Solution

The fourth proportional to 6,571.36, 9,858.56 and 2,188.86 is: 3,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.36 : 9,858.56 = 2,188.86 : x
  2. Step 2: Convert to fraction form
    6,571.36/9,858.56 = 2,188.86/x
  3. Step 3: Cross multiply
    6,571.36x = 9,858.56 × 2,188.86
  4. Step 4: Simplify right side
    6,571.36x = 21,579,007.64
  5. Step 5: Solve for x
    x = 21,579,007.64/6,571.36
  6. Step 6: Final answer
    x = 3,283.80

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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.