Home / 7,321.54-11,028.41-6,667.57

Finding the Fourth Proportional to 7,321.54, 11,028.41 and 6,667.57

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Solution

The fourth proportional to 7,321.54, 11,028.41 and 6,667.57 is: 10,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.54 : 11,028.41 = 6,667.57 : x
  2. Step 2: Convert to fraction form
    7,321.54/11,028.41 = 6,667.57/x
  3. Step 3: Cross multiply
    7,321.54x = 11,028.41 × 6,667.57
  4. Step 4: Simplify right side
    7,321.54x = 73,532,695.66
  5. Step 5: Solve for x
    x = 73,532,695.66/7,321.54
  6. Step 6: Final answer
    x = 10,043.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.