Home / 6,445.64-8,893.33-3,792.56

Finding the Fourth Proportional to 6,445.64, 8,893.33 and 3,792.56

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Solution

The fourth proportional to 6,445.64, 8,893.33 and 3,792.56 is: 5,232.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.64 : 8,893.33 = 3,792.56 : x
  2. Step 2: Convert to fraction form
    6,445.64/8,893.33 = 3,792.56/x
  3. Step 3: Cross multiply
    6,445.64x = 8,893.33 × 3,792.56
  4. Step 4: Simplify right side
    6,445.64x = 33,728,433.68
  5. Step 5: Solve for x
    x = 33,728,433.68/6,445.64
  6. Step 6: Final answer
    x = 5,232.75

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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.