Home / 7,338.36-10,112.94-5,238.84

Finding the Fourth Proportional to 7,338.36, 10,112.94 and 5,238.84

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Solution

The fourth proportional to 7,338.36, 10,112.94 and 5,238.84 is: 7,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.36 : 10,112.94 = 5,238.84 : x
  2. Step 2: Convert to fraction form
    7,338.36/10,112.94 = 5,238.84/x
  3. Step 3: Cross multiply
    7,338.36x = 10,112.94 × 5,238.84
  4. Step 4: Simplify right side
    7,338.36x = 52,980,074.59
  5. Step 5: Solve for x
    x = 52,980,074.59/7,338.36
  6. Step 6: Final answer
    x = 7,219.61

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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.