Home / 7,121.24-10,667.33-4,308.32

Finding the Fourth Proportional to 7,121.24, 10,667.33 and 4,308.32

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Solution

The fourth proportional to 7,121.24, 10,667.33 and 4,308.32 is: 6,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121.24 : 10,667.33 = 4,308.32 : x
  2. Step 2: Convert to fraction form
    7,121.24/10,667.33 = 4,308.32/x
  3. Step 3: Cross multiply
    7,121.24x = 10,667.33 × 4,308.32
  4. Step 4: Simplify right side
    7,121.24x = 45,958,310.64
  5. Step 5: Solve for x
    x = 45,958,310.64/7,121.24
  6. Step 6: Final answer
    x = 6,453.70

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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.