Home / 7,219.44-10,828.20-2,289.59

Finding the Fourth Proportional to 7,219.44, 10,828.20 and 2,289.59

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Solution

The fourth proportional to 7,219.44, 10,828.20 and 2,289.59 is: 3,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.44 : 10,828.20 = 2,289.59 : x
  2. Step 2: Convert to fraction form
    7,219.44/10,828.20 = 2,289.59/x
  3. Step 3: Cross multiply
    7,219.44x = 10,828.20 × 2,289.59
  4. Step 4: Simplify right side
    7,219.44x = 24,792,084.30
  5. Step 5: Solve for x
    x = 24,792,084.30/7,219.44
  6. Step 6: Final answer
    x = 3,434.07

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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.