Home / 5,347.89-7,380.32-3,110.27

Finding the Fourth Proportional to 5,347.89, 7,380.32 and 3,110.27

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Solution

The fourth proportional to 5,347.89, 7,380.32 and 3,110.27 is: 4,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.89 : 7,380.32 = 3,110.27 : x
  2. Step 2: Convert to fraction form
    5,347.89/7,380.32 = 3,110.27/x
  3. Step 3: Cross multiply
    5,347.89x = 7,380.32 × 3,110.27
  4. Step 4: Simplify right side
    5,347.89x = 22,954,735.43
  5. Step 5: Solve for x
    x = 22,954,735.43/5,347.89
  6. Step 6: Final answer
    x = 4,292.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.