Home / 4,899.20-6,761.28-2,804

Finding the Fourth Proportional to 4,899.20, 6,761.28 and 2,804

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Solution

The fourth proportional to 4,899.20, 6,761.28 and 2,804 is: 3,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.20 : 6,761.28 = 2,804 : x
  2. Step 2: Convert to fraction form
    4,899.20/6,761.28 = 2,804/x
  3. Step 3: Cross multiply
    4,899.20x = 6,761.28 × 2,804
  4. Step 4: Simplify right side
    4,899.20x = 18,958,629.12
  5. Step 5: Solve for x
    x = 18,958,629.12/4,899.20
  6. Step 6: Final answer
    x = 3,869.74

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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.