Home / 4,885.85-6,742.68-3,205.98

Finding the Fourth Proportional to 4,885.85, 6,742.68 and 3,205.98

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Solution

The fourth proportional to 4,885.85, 6,742.68 and 3,205.98 is: 4,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.85 : 6,742.68 = 3,205.98 : x
  2. Step 2: Convert to fraction form
    4,885.85/6,742.68 = 3,205.98/x
  3. Step 3: Cross multiply
    4,885.85x = 6,742.68 × 3,205.98
  4. Step 4: Simplify right side
    4,885.85x = 21,616,885.20
  5. Step 5: Solve for x
    x = 21,616,885.20/4,885.85
  6. Step 6: Final answer
    x = 4,424.38

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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.