Home / 6,127.78-9,191.98-1,745.54

Finding the Fourth Proportional to 6,127.78, 9,191.98 and 1,745.54

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Solution

The fourth proportional to 6,127.78, 9,191.98 and 1,745.54 is: 2,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.78 : 9,191.98 = 1,745.54 : x
  2. Step 2: Convert to fraction form
    6,127.78/9,191.98 = 1,745.54/x
  3. Step 3: Cross multiply
    6,127.78x = 9,191.98 × 1,745.54
  4. Step 4: Simplify right side
    6,127.78x = 16,044,968.77
  5. Step 5: Solve for x
    x = 16,044,968.77/6,127.78
  6. Step 6: Final answer
    x = 2,618.40

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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.