Home / 7,384.44-11,076.72-2,190.40

Finding the Fourth Proportional to 7,384.44, 11,076.72 and 2,190.40

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Solution

The fourth proportional to 7,384.44, 11,076.72 and 2,190.40 is: 3,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.44 : 11,076.72 = 2,190.40 : x
  2. Step 2: Convert to fraction form
    7,384.44/11,076.72 = 2,190.40/x
  3. Step 3: Cross multiply
    7,384.44x = 11,076.72 × 2,190.40
  4. Step 4: Simplify right side
    7,384.44x = 24,262,447.49
  5. Step 5: Solve for x
    x = 24,262,447.49/7,384.44
  6. Step 6: Final answer
    x = 3,285.62

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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.