Home / 5,641.75-8,453.49-3,443.80

Finding the Fourth Proportional to 5,641.75, 8,453.49 and 3,443.80

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Solution

The fourth proportional to 5,641.75, 8,453.49 and 3,443.80 is: 5,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.75 : 8,453.49 = 3,443.80 : x
  2. Step 2: Convert to fraction form
    5,641.75/8,453.49 = 3,443.80/x
  3. Step 3: Cross multiply
    5,641.75x = 8,453.49 × 3,443.80
  4. Step 4: Simplify right side
    5,641.75x = 29,112,128.86
  5. Step 5: Solve for x
    x = 29,112,128.86/5,641.75
  6. Step 6: Final answer
    x = 5,160.12

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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.