Home / 5,489.85-8,228.87-2,371.33

Finding the Fourth Proportional to 5,489.85, 8,228.87 and 2,371.33

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Solution

The fourth proportional to 5,489.85, 8,228.87 and 2,371.33 is: 3,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.85 : 8,228.87 = 2,371.33 : x
  2. Step 2: Convert to fraction form
    5,489.85/8,228.87 = 2,371.33/x
  3. Step 3: Cross multiply
    5,489.85x = 8,228.87 × 2,371.33
  4. Step 4: Simplify right side
    5,489.85x = 19,513,333.87
  5. Step 5: Solve for x
    x = 19,513,333.87/5,489.85
  6. Step 6: Final answer
    x = 3,554.44

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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.