Home / 4,940.08-7,409.88-1,242.23

Finding the Fourth Proportional to 4,940.08, 7,409.88 and 1,242.23

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Solution

The fourth proportional to 4,940.08, 7,409.88 and 1,242.23 is: 1,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.08 : 7,409.88 = 1,242.23 : x
  2. Step 2: Convert to fraction form
    4,940.08/7,409.88 = 1,242.23/x
  3. Step 3: Cross multiply
    4,940.08x = 7,409.88 × 1,242.23
  4. Step 4: Simplify right side
    4,940.08x = 9,204,738.18
  5. Step 5: Solve for x
    x = 9,204,738.18/4,940.08
  6. Step 6: Final answer
    x = 1,863.28

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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.