Home / 9,785.21-14,676.50-2,765.77

Finding the Fourth Proportional to 9,785.21, 14,676.50 and 2,765.77

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Solution

The fourth proportional to 9,785.21, 14,676.50 and 2,765.77 is: 4,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.21 : 14,676.50 = 2,765.77 : x
  2. Step 2: Convert to fraction form
    9,785.21/14,676.50 = 2,765.77/x
  3. Step 3: Cross multiply
    9,785.21x = 14,676.50 × 2,765.77
  4. Step 4: Simplify right side
    9,785.21x = 40,591,844.51
  5. Step 5: Solve for x
    x = 40,591,844.51/9,785.21
  6. Step 6: Final answer
    x = 4,148.29

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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.