Home / 4,259.49-6,389.23-1,181.49

Finding the Fourth Proportional to 4,259.49, 6,389.23 and 1,181.49

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Solution

The fourth proportional to 4,259.49, 6,389.23 and 1,181.49 is: 1,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.49 : 6,389.23 = 1,181.49 : x
  2. Step 2: Convert to fraction form
    4,259.49/6,389.23 = 1,181.49/x
  3. Step 3: Cross multiply
    4,259.49x = 6,389.23 × 1,181.49
  4. Step 4: Simplify right side
    4,259.49x = 7,548,811.35
  5. Step 5: Solve for x
    x = 7,548,811.35/4,259.49
  6. Step 6: Final answer
    x = 1,772.23

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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.