Home / 10,289.97-15,435.50-3,270.51

Finding the Fourth Proportional to 10,289.97, 15,435.50 and 3,270.51

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Solution

The fourth proportional to 10,289.97, 15,435.50 and 3,270.51 is: 4,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.97 : 15,435.50 = 3,270.51 : x
  2. Step 2: Convert to fraction form
    10,289.97/15,435.50 = 3,270.51/x
  3. Step 3: Cross multiply
    10,289.97x = 15,435.50 × 3,270.51
  4. Step 4: Simplify right side
    10,289.97x = 50,481,940.75
  5. Step 5: Solve for x
    x = 50,481,940.75/10,289.97
  6. Step 6: Final answer
    x = 4,905.94

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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.