Home / 4,949.40-6,824.70-3,378.36

Finding the Fourth Proportional to 4,949.40, 6,824.70 and 3,378.36

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Solution

The fourth proportional to 4,949.40, 6,824.70 and 3,378.36 is: 4,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.40 : 6,824.70 = 3,378.36 : x
  2. Step 2: Convert to fraction form
    4,949.40/6,824.70 = 3,378.36/x
  3. Step 3: Cross multiply
    4,949.40x = 6,824.70 × 3,378.36
  4. Step 4: Simplify right side
    4,949.40x = 23,056,293.49
  5. Step 5: Solve for x
    x = 23,056,293.49/4,949.40
  6. Step 6: Final answer
    x = 4,658.40

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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.