Home / 4,147.56-6,220.94-1,374.12

Finding the Fourth Proportional to 4,147.56, 6,220.94 and 1,374.12

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Solution

The fourth proportional to 4,147.56, 6,220.94 and 1,374.12 is: 2,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.56 : 6,220.94 = 1,374.12 : x
  2. Step 2: Convert to fraction form
    4,147.56/6,220.94 = 1,374.12/x
  3. Step 3: Cross multiply
    4,147.56x = 6,220.94 × 1,374.12
  4. Step 4: Simplify right side
    4,147.56x = 8,548,318.07
  5. Step 5: Solve for x
    x = 8,548,318.07/4,147.56
  6. Step 6: Final answer
    x = 2,061.05

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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.