Home / 7,021.32-10,529.55-3,906.06

Finding the Fourth Proportional to 7,021.32, 10,529.55 and 3,906.06

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Solution

The fourth proportional to 7,021.32, 10,529.55 and 3,906.06 is: 5,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.32 : 10,529.55 = 3,906.06 : x
  2. Step 2: Convert to fraction form
    7,021.32/10,529.55 = 3,906.06/x
  3. Step 3: Cross multiply
    7,021.32x = 10,529.55 × 3,906.06
  4. Step 4: Simplify right side
    7,021.32x = 41,129,054.07
  5. Step 5: Solve for x
    x = 41,129,054.07/7,021.32
  6. Step 6: Final answer
    x = 5,857.74

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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.