Home / 4,425.90-6,638.73-2,085.33

Finding the Fourth Proportional to 4,425.90, 6,638.73 and 2,085.33

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Solution

The fourth proportional to 4,425.90, 6,638.73 and 2,085.33 is: 3,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.90 : 6,638.73 = 2,085.33 : x
  2. Step 2: Convert to fraction form
    4,425.90/6,638.73 = 2,085.33/x
  3. Step 3: Cross multiply
    4,425.90x = 6,638.73 × 2,085.33
  4. Step 4: Simplify right side
    4,425.90x = 13,843,942.83
  5. Step 5: Solve for x
    x = 13,843,942.83/4,425.90
  6. Step 6: Final answer
    x = 3,127.94

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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.