Home / 4,921.78-6,792.09-2,683.75

Finding the Fourth Proportional to 4,921.78, 6,792.09 and 2,683.75

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Solution

The fourth proportional to 4,921.78, 6,792.09 and 2,683.75 is: 3,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.78 : 6,792.09 = 2,683.75 : x
  2. Step 2: Convert to fraction form
    4,921.78/6,792.09 = 2,683.75/x
  3. Step 3: Cross multiply
    4,921.78x = 6,792.09 × 2,683.75
  4. Step 4: Simplify right side
    4,921.78x = 18,228,271.54
  5. Step 5: Solve for x
    x = 18,228,271.54/4,921.78
  6. Step 6: Final answer
    x = 3,703.59

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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.