Home / 4,899.95-6,761.71-2,775.44

Finding the Fourth Proportional to 4,899.95, 6,761.71 and 2,775.44

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Solution

The fourth proportional to 4,899.95, 6,761.71 and 2,775.44 is: 3,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.95 : 6,761.71 = 2,775.44 : x
  2. Step 2: Convert to fraction form
    4,899.95/6,761.71 = 2,775.44/x
  3. Step 3: Cross multiply
    4,899.95x = 6,761.71 × 2,775.44
  4. Step 4: Simplify right side
    4,899.95x = 18,766,720.40
  5. Step 5: Solve for x
    x = 18,766,720.40/4,899.95
  6. Step 6: Final answer
    x = 3,829.98

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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.