Home / 9,785.58-14,679.22-2,765.64

Finding the Fourth Proportional to 9,785.58, 14,679.22 and 2,765.64

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Solution

The fourth proportional to 9,785.58, 14,679.22 and 2,765.64 is: 4,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.58 : 14,679.22 = 2,765.64 : x
  2. Step 2: Convert to fraction form
    9,785.58/14,679.22 = 2,765.64/x
  3. Step 3: Cross multiply
    9,785.58x = 14,679.22 × 2,765.64
  4. Step 4: Simplify right side
    9,785.58x = 40,597,438.00
  5. Step 5: Solve for x
    x = 40,597,438.00/9,785.58
  6. Step 6: Final answer
    x = 4,148.70

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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.