Home / 7,933.78-10,949.07-4,790.44

Finding the Fourth Proportional to 7,933.78, 10,949.07 and 4,790.44

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Solution

The fourth proportional to 7,933.78, 10,949.07 and 4,790.44 is: 6,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.78 : 10,949.07 = 4,790.44 : x
  2. Step 2: Convert to fraction form
    7,933.78/10,949.07 = 4,790.44/x
  3. Step 3: Cross multiply
    7,933.78x = 10,949.07 × 4,790.44
  4. Step 4: Simplify right side
    7,933.78x = 52,450,862.89
  5. Step 5: Solve for x
    x = 52,450,862.89/7,933.78
  6. Step 6: Final answer
    x = 6,611.08

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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.