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Finding the Fourth Proportional to 6,365.36, 8,784.64 and 3,571.04

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Solution

The fourth proportional to 6,365.36, 8,784.64 and 3,571.04 is: 4,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.36 : 8,784.64 = 3,571.04 : x
  2. Step 2: Convert to fraction form
    6,365.36/8,784.64 = 3,571.04/x
  3. Step 3: Cross multiply
    6,365.36x = 8,784.64 × 3,571.04
  4. Step 4: Simplify right side
    6,365.36x = 31,370,300.83
  5. Step 5: Solve for x
    x = 31,370,300.83/6,365.36
  6. Step 6: Final answer
    x = 4,928.28

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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.