Home / 7,219.54-10,830.34-2,289.60

Finding the Fourth Proportional to 7,219.54, 10,830.34 and 2,289.60

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Solution

The fourth proportional to 7,219.54, 10,830.34 and 2,289.60 is: 3,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.54 : 10,830.34 = 2,289.60 : x
  2. Step 2: Convert to fraction form
    7,219.54/10,830.34 = 2,289.60/x
  3. Step 3: Cross multiply
    7,219.54x = 10,830.34 × 2,289.60
  4. Step 4: Simplify right side
    7,219.54x = 24,797,146.46
  5. Step 5: Solve for x
    x = 24,797,146.46/7,219.54
  6. Step 6: Final answer
    x = 3,434.73

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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.