Home / 5,556.19-7,667.43-3,318.57

Finding the Fourth Proportional to 5,556.19, 7,667.43 and 3,318.57

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Solution

The fourth proportional to 5,556.19, 7,667.43 and 3,318.57 is: 4,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.19 : 7,667.43 = 3,318.57 : x
  2. Step 2: Convert to fraction form
    5,556.19/7,667.43 = 3,318.57/x
  3. Step 3: Cross multiply
    5,556.19x = 7,667.43 × 3,318.57
  4. Step 4: Simplify right side
    5,556.19x = 25,444,903.18
  5. Step 5: Solve for x
    x = 25,444,903.18/5,556.19
  6. Step 6: Final answer
    x = 4,579.56

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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.