Home / 4,955.78-6,838.34-3,950.03

Finding the Fourth Proportional to 4,955.78, 6,838.34 and 3,950.03

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Solution

The fourth proportional to 4,955.78, 6,838.34 and 3,950.03 is: 5,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.78 : 6,838.34 = 3,950.03 : x
  2. Step 2: Convert to fraction form
    4,955.78/6,838.34 = 3,950.03/x
  3. Step 3: Cross multiply
    4,955.78x = 6,838.34 × 3,950.03
  4. Step 4: Simplify right side
    4,955.78x = 27,011,645.50
  5. Step 5: Solve for x
    x = 27,011,645.50/4,955.78
  6. Step 6: Final answer
    x = 5,450.53

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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.