Home / 5,408.48-8,107.44-1,943.84

Finding the Fourth Proportional to 5,408.48, 8,107.44 and 1,943.84

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Solution

The fourth proportional to 5,408.48, 8,107.44 and 1,943.84 is: 2,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.48 : 8,107.44 = 1,943.84 : x
  2. Step 2: Convert to fraction form
    5,408.48/8,107.44 = 1,943.84/x
  3. Step 3: Cross multiply
    5,408.48x = 8,107.44 × 1,943.84
  4. Step 4: Simplify right side
    5,408.48x = 15,759,566.17
  5. Step 5: Solve for x
    x = 15,759,566.17/5,408.48
  6. Step 6: Final answer
    x = 2,913.86

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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.