Home / 4,811.76-6,638.41-2,922.63

Finding the Fourth Proportional to 4,811.76, 6,638.41 and 2,922.63

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Solution

The fourth proportional to 4,811.76, 6,638.41 and 2,922.63 is: 4,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.76 : 6,638.41 = 2,922.63 : x
  2. Step 2: Convert to fraction form
    4,811.76/6,638.41 = 2,922.63/x
  3. Step 3: Cross multiply
    4,811.76x = 6,638.41 × 2,922.63
  4. Step 4: Simplify right side
    4,811.76x = 19,401,616.22
  5. Step 5: Solve for x
    x = 19,401,616.22/4,811.76
  6. Step 6: Final answer
    x = 4,032.12

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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.