Home / 4,683.49-7,019.80-1,906.47

Finding the Fourth Proportional to 4,683.49, 7,019.80 and 1,906.47

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Solution

The fourth proportional to 4,683.49, 7,019.80 and 1,906.47 is: 2,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,683.49 : 7,019.80 = 1,906.47 : x
  2. Step 2: Convert to fraction form
    4,683.49/7,019.80 = 1,906.47/x
  3. Step 3: Cross multiply
    4,683.49x = 7,019.80 × 1,906.47
  4. Step 4: Simplify right side
    4,683.49x = 13,383,033.34
  5. Step 5: Solve for x
    x = 13,383,033.34/4,683.49
  6. Step 6: Final answer
    x = 2,857.49

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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.