Home / 4,999.22-6,899.70-2,982.72

Finding the Fourth Proportional to 4,999.22, 6,899.70 and 2,982.72

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Solution

The fourth proportional to 4,999.22, 6,899.70 and 2,982.72 is: 4,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.22 : 6,899.70 = 2,982.72 : x
  2. Step 2: Convert to fraction form
    4,999.22/6,899.70 = 2,982.72/x
  3. Step 3: Cross multiply
    4,999.22x = 6,899.70 × 2,982.72
  4. Step 4: Simplify right side
    4,999.22x = 20,579,873.18
  5. Step 5: Solve for x
    x = 20,579,873.18/4,999.22
  6. Step 6: Final answer
    x = 4,116.62

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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.