Home / 5,408.37-8,111.85-1,710.97

Finding the Fourth Proportional to 5,408.37, 8,111.85 and 1,710.97

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Solution

The fourth proportional to 5,408.37, 8,111.85 and 1,710.97 is: 2,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.37 : 8,111.85 = 1,710.97 : x
  2. Step 2: Convert to fraction form
    5,408.37/8,111.85 = 1,710.97/x
  3. Step 3: Cross multiply
    5,408.37x = 8,111.85 × 1,710.97
  4. Step 4: Simplify right side
    5,408.37x = 13,879,131.99
  5. Step 5: Solve for x
    x = 13,879,131.99/5,408.37
  6. Step 6: Final answer
    x = 2,566.23

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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.