Home / 7,219.05-10,828.62-2,288.70

Finding the Fourth Proportional to 7,219.05, 10,828.62 and 2,288.70

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Solution

The fourth proportional to 7,219.05, 10,828.62 and 2,288.70 is: 3,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.05 : 10,828.62 = 2,288.70 : x
  2. Step 2: Convert to fraction form
    7,219.05/10,828.62 = 2,288.70/x
  3. Step 3: Cross multiply
    7,219.05x = 10,828.62 × 2,288.70
  4. Step 4: Simplify right side
    7,219.05x = 24,783,462.59
  5. Step 5: Solve for x
    x = 24,783,462.59/7,219.05
  6. Step 6: Final answer
    x = 3,433.06

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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.