Home / 4,899.60-6,761.43-2,775.18

Finding the Fourth Proportional to 4,899.60, 6,761.43 and 2,775.18

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Solution

The fourth proportional to 4,899.60, 6,761.43 and 2,775.18 is: 3,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.60 : 6,761.43 = 2,775.18 : x
  2. Step 2: Convert to fraction form
    4,899.60/6,761.43 = 2,775.18/x
  3. Step 3: Cross multiply
    4,899.60x = 6,761.43 × 2,775.18
  4. Step 4: Simplify right side
    4,899.60x = 18,764,185.31
  5. Step 5: Solve for x
    x = 18,764,185.31/4,899.60
  6. Step 6: Final answer
    x = 3,829.74

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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.