Home / 9,885.26-14,826.77-2,489.72

Finding the Fourth Proportional to 9,885.26, 14,826.77 and 2,489.72

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Solution

The fourth proportional to 9,885.26, 14,826.77 and 2,489.72 is: 3,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.26 : 14,826.77 = 2,489.72 : x
  2. Step 2: Convert to fraction form
    9,885.26/14,826.77 = 2,489.72/x
  3. Step 3: Cross multiply
    9,885.26x = 14,826.77 × 2,489.72
  4. Step 4: Simplify right side
    9,885.26x = 36,914,419.22
  5. Step 5: Solve for x
    x = 36,914,419.22/9,885.26
  6. Step 6: Final answer
    x = 3,734.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.