Home / 4,745.40-6,549.48-2,755.80

Finding the Fourth Proportional to 4,745.40, 6,549.48 and 2,755.80

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Solution

The fourth proportional to 4,745.40, 6,549.48 and 2,755.80 is: 3,803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.40 : 6,549.48 = 2,755.80 : x
  2. Step 2: Convert to fraction form
    4,745.40/6,549.48 = 2,755.80/x
  3. Step 3: Cross multiply
    4,745.40x = 6,549.48 × 2,755.80
  4. Step 4: Simplify right side
    4,745.40x = 18,049,056.98
  5. Step 5: Solve for x
    x = 18,049,056.98/4,745.40
  6. Step 6: Final answer
    x = 3,803.48

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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.