Home / 4,836.90-6,669.42-3,949.94

Finding the Fourth Proportional to 4,836.90, 6,669.42 and 3,949.94

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Solution

The fourth proportional to 4,836.90, 6,669.42 and 3,949.94 is: 5,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.90 : 6,669.42 = 3,949.94 : x
  2. Step 2: Convert to fraction form
    4,836.90/6,669.42 = 3,949.94/x
  3. Step 3: Cross multiply
    4,836.90x = 6,669.42 × 3,949.94
  4. Step 4: Simplify right side
    4,836.90x = 26,343,808.83
  5. Step 5: Solve for x
    x = 26,343,808.83/4,836.90
  6. Step 6: Final answer
    x = 5,446.42

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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.