Home / 5,348.16-8,021.97-3,128.22

Finding the Fourth Proportional to 5,348.16, 8,021.97 and 3,128.22

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Solution

The fourth proportional to 5,348.16, 8,021.97 and 3,128.22 is: 4,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.16 : 8,021.97 = 3,128.22 : x
  2. Step 2: Convert to fraction form
    5,348.16/8,021.97 = 3,128.22/x
  3. Step 3: Cross multiply
    5,348.16x = 8,021.97 × 3,128.22
  4. Step 4: Simplify right side
    5,348.16x = 25,094,486.99
  5. Step 5: Solve for x
    x = 25,094,486.99/5,348.16
  6. Step 6: Final answer
    x = 4,692.17

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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.