Home / 4,147.53-6,221.43-1,374.09

Finding the Fourth Proportional to 4,147.53, 6,221.43 and 1,374.09

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Solution

The fourth proportional to 4,147.53, 6,221.43 and 1,374.09 is: 2,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.53 : 6,221.43 = 1,374.09 : x
  2. Step 2: Convert to fraction form
    4,147.53/6,221.43 = 1,374.09/x
  3. Step 3: Cross multiply
    4,147.53x = 6,221.43 × 1,374.09
  4. Step 4: Simplify right side
    4,147.53x = 8,548,804.75
  5. Step 5: Solve for x
    x = 8,548,804.75/4,147.53
  6. Step 6: Final answer
    x = 2,061.18

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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.