Home / 5,450.32-7,515.24-4,477.28

Finding the Fourth Proportional to 5,450.32, 7,515.24 and 4,477.28

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Solution

The fourth proportional to 5,450.32, 7,515.24 and 4,477.28 is: 6,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.32 : 7,515.24 = 4,477.28 : x
  2. Step 2: Convert to fraction form
    5,450.32/7,515.24 = 4,477.28/x
  3. Step 3: Cross multiply
    5,450.32x = 7,515.24 × 4,477.28
  4. Step 4: Simplify right side
    5,450.32x = 33,647,833.75
  5. Step 5: Solve for x
    x = 33,647,833.75/5,450.32
  6. Step 6: Final answer
    x = 6,173.55

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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.