Home / 5,489.76-8,228.73-2,371.23

Finding the Fourth Proportional to 5,489.76, 8,228.73 and 2,371.23

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Solution

The fourth proportional to 5,489.76, 8,228.73 and 2,371.23 is: 3,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.76 : 8,228.73 = 2,371.23 : x
  2. Step 2: Convert to fraction form
    5,489.76/8,228.73 = 2,371.23/x
  3. Step 3: Cross multiply
    5,489.76x = 8,228.73 × 2,371.23
  4. Step 4: Simplify right side
    5,489.76x = 19,512,211.44
  5. Step 5: Solve for x
    x = 19,512,211.44/5,489.76
  6. Step 6: Final answer
    x = 3,554.29

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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.