Home / 4,811.75-6,638.39-2,922.62

Finding the Fourth Proportional to 4,811.75, 6,638.39 and 2,922.62

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Solution

The fourth proportional to 4,811.75, 6,638.39 and 2,922.62 is: 4,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.75 : 6,638.39 = 2,922.62 : x
  2. Step 2: Convert to fraction form
    4,811.75/6,638.39 = 2,922.62/x
  3. Step 3: Cross multiply
    4,811.75x = 6,638.39 × 2,922.62
  4. Step 4: Simplify right side
    4,811.75x = 19,401,515.28
  5. Step 5: Solve for x
    x = 19,401,515.28/4,811.75
  6. Step 6: Final answer
    x = 4,032.11

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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.