Home / 4,638.72-6,401.97-2,649.56

Finding the Fourth Proportional to 4,638.72, 6,401.97 and 2,649.56

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Solution

The fourth proportional to 4,638.72, 6,401.97 and 2,649.56 is: 3,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.72 : 6,401.97 = 2,649.56 : x
  2. Step 2: Convert to fraction form
    4,638.72/6,401.97 = 2,649.56/x
  3. Step 3: Cross multiply
    4,638.72x = 6,401.97 × 2,649.56
  4. Step 4: Simplify right side
    4,638.72x = 16,962,419.64
  5. Step 5: Solve for x
    x = 16,962,419.64/4,638.72
  6. Step 6: Final answer
    x = 3,656.70

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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.