Home / 7,112.19-10,667.11-2,180.51

Finding the Fourth Proportional to 7,112.19, 10,667.11 and 2,180.51

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Solution

The fourth proportional to 7,112.19, 10,667.11 and 2,180.51 is: 3,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.19 : 10,667.11 = 2,180.51 : x
  2. Step 2: Convert to fraction form
    7,112.19/10,667.11 = 2,180.51/x
  3. Step 3: Cross multiply
    7,112.19x = 10,667.11 × 2,180.51
  4. Step 4: Simplify right side
    7,112.19x = 23,259,740.03
  5. Step 5: Solve for x
    x = 23,259,740.03/7,112.19
  6. Step 6: Final answer
    x = 3,270.40

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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.