Home / 4,792.78-7,185.58-3,228.39

Finding the Fourth Proportional to 4,792.78, 7,185.58 and 3,228.39

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Solution

The fourth proportional to 4,792.78, 7,185.58 and 3,228.39 is: 4,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.78 : 7,185.58 = 3,228.39 : x
  2. Step 2: Convert to fraction form
    4,792.78/7,185.58 = 3,228.39/x
  3. Step 3: Cross multiply
    4,792.78x = 7,185.58 × 3,228.39
  4. Step 4: Simplify right side
    4,792.78x = 23,197,827.98
  5. Step 5: Solve for x
    x = 23,197,827.98/4,792.78
  6. Step 6: Final answer
    x = 4,840.16

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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.