Home / 7,218.75-10,828.44-2,288.76

Finding the Fourth Proportional to 7,218.75, 10,828.44 and 2,288.76

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Solution

The fourth proportional to 7,218.75, 10,828.44 and 2,288.76 is: 3,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.75 : 10,828.44 = 2,288.76 : x
  2. Step 2: Convert to fraction form
    7,218.75/10,828.44 = 2,288.76/x
  3. Step 3: Cross multiply
    7,218.75x = 10,828.44 × 2,288.76
  4. Step 4: Simplify right side
    7,218.75x = 24,783,700.33
  5. Step 5: Solve for x
    x = 24,783,700.33/7,218.75
  6. Step 6: Final answer
    x = 3,433.24

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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.