Home / 4,085.67-6,127.76-1,083.72

Finding the Fourth Proportional to 4,085.67, 6,127.76 and 1,083.72

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Solution

The fourth proportional to 4,085.67, 6,127.76 and 1,083.72 is: 1,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.67 : 6,127.76 = 1,083.72 : x
  2. Step 2: Convert to fraction form
    4,085.67/6,127.76 = 1,083.72/x
  3. Step 3: Cross multiply
    4,085.67x = 6,127.76 × 1,083.72
  4. Step 4: Simplify right side
    4,085.67x = 6,640,776.90
  5. Step 5: Solve for x
    x = 6,640,776.90/4,085.67
  6. Step 6: Final answer
    x = 1,625.38

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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.