Home / 7,928.05-10,923.09-5,234.47

Finding the Fourth Proportional to 7,928.05, 10,923.09 and 5,234.47

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Solution

The fourth proportional to 7,928.05, 10,923.09 and 5,234.47 is: 7,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.05 : 10,923.09 = 5,234.47 : x
  2. Step 2: Convert to fraction form
    7,928.05/10,923.09 = 5,234.47/x
  3. Step 3: Cross multiply
    7,928.05x = 10,923.09 × 5,234.47
  4. Step 4: Simplify right side
    7,928.05x = 57,176,539.98
  5. Step 5: Solve for x
    x = 57,176,539.98/7,928.05
  6. Step 6: Final answer
    x = 7,211.93

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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.