Home / 4,999.45-6,899.06-2,761.21

Finding the Fourth Proportional to 4,999.45, 6,899.06 and 2,761.21

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Solution

The fourth proportional to 4,999.45, 6,899.06 and 2,761.21 is: 3,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.45 : 6,899.06 = 2,761.21 : x
  2. Step 2: Convert to fraction form
    4,999.45/6,899.06 = 2,761.21/x
  3. Step 3: Cross multiply
    4,999.45x = 6,899.06 × 2,761.21
  4. Step 4: Simplify right side
    4,999.45x = 19,049,705.16
  5. Step 5: Solve for x
    x = 19,049,705.16/4,999.45
  6. Step 6: Final answer
    x = 3,810.36

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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.