Home / 4,453.90-6,147.66-3,127.94

Finding the Fourth Proportional to 4,453.90, 6,147.66 and 3,127.94

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Solution

The fourth proportional to 4,453.90, 6,147.66 and 3,127.94 is: 4,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.90 : 6,147.66 = 3,127.94 : x
  2. Step 2: Convert to fraction form
    4,453.90/6,147.66 = 3,127.94/x
  3. Step 3: Cross multiply
    4,453.90x = 6,147.66 × 3,127.94
  4. Step 4: Simplify right side
    4,453.90x = 19,229,511.62
  5. Step 5: Solve for x
    x = 19,229,511.62/4,453.90
  6. Step 6: Final answer
    x = 4,317.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.