Home / 4,191.56-6,288.25-1,270.09

Finding the Fourth Proportional to 4,191.56, 6,288.25 and 1,270.09

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Solution

The fourth proportional to 4,191.56, 6,288.25 and 1,270.09 is: 1,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.56 : 6,288.25 = 1,270.09 : x
  2. Step 2: Convert to fraction form
    4,191.56/6,288.25 = 1,270.09/x
  3. Step 3: Cross multiply
    4,191.56x = 6,288.25 × 1,270.09
  4. Step 4: Simplify right side
    4,191.56x = 7,986,632.82
  5. Step 5: Solve for x
    x = 7,986,632.82/4,191.56
  6. Step 6: Final answer
    x = 1,905.41

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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.