Home / 8,765.40-13,148.20-2,922

Finding the Fourth Proportional to 8,765.40, 13,148.20 and 2,922

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Solution

The fourth proportional to 8,765.40, 13,148.20 and 2,922 is: 4,383.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.40 : 13,148.20 = 2,922 : x
  2. Step 2: Convert to fraction form
    8,765.40/13,148.20 = 2,922/x
  3. Step 3: Cross multiply
    8,765.40x = 13,148.20 × 2,922
  4. Step 4: Simplify right side
    8,765.40x = 38,419,040.40
  5. Step 5: Solve for x
    x = 38,419,040.40/8,765.40
  6. Step 6: Final answer
    x = 4,383.03

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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.