Home / 5,408.89-8,114.48-1,899.43

Finding the Fourth Proportional to 5,408.89, 8,114.48 and 1,899.43

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Solution

The fourth proportional to 5,408.89, 8,114.48 and 1,899.43 is: 2,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.89 : 8,114.48 = 1,899.43 : x
  2. Step 2: Convert to fraction form
    5,408.89/8,114.48 = 1,899.43/x
  3. Step 3: Cross multiply
    5,408.89x = 8,114.48 × 1,899.43
  4. Step 4: Simplify right side
    5,408.89x = 15,412,886.75
  5. Step 5: Solve for x
    x = 15,412,886.75/5,408.89
  6. Step 6: Final answer
    x = 2,849.55

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Double scale
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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.