Home / 5,230.58-7,838.88-1,940.36

Finding the Fourth Proportional to 5,230.58, 7,838.88 and 1,940.36

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Solution

The fourth proportional to 5,230.58, 7,838.88 and 1,940.36 is: 2,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.58 : 7,838.88 = 1,940.36 : x
  2. Step 2: Convert to fraction form
    5,230.58/7,838.88 = 1,940.36/x
  3. Step 3: Cross multiply
    5,230.58x = 7,838.88 × 1,940.36
  4. Step 4: Simplify right side
    5,230.58x = 15,210,202.73
  5. Step 5: Solve for x
    x = 15,210,202.73/5,230.58
  6. Step 6: Final answer
    x = 2,907.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.