Home / 5,394.14-7,447.59-3,378.36

Finding the Fourth Proportional to 5,394.14, 7,447.59 and 3,378.36

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Solution

The fourth proportional to 5,394.14, 7,447.59 and 3,378.36 is: 4,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.14 : 7,447.59 = 3,378.36 : x
  2. Step 2: Convert to fraction form
    5,394.14/7,447.59 = 3,378.36/x
  3. Step 3: Cross multiply
    5,394.14x = 7,447.59 × 3,378.36
  4. Step 4: Simplify right side
    5,394.14x = 25,160,640.15
  5. Step 5: Solve for x
    x = 25,160,640.15/5,394.14
  6. Step 6: Final answer
    x = 4,664.44

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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.