Home / 5,765.03-7,956.15-3,212.95

Finding the Fourth Proportional to 5,765.03, 7,956.15 and 3,212.95

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Solution

The fourth proportional to 5,765.03, 7,956.15 and 3,212.95 is: 4,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.03 : 7,956.15 = 3,212.95 : x
  2. Step 2: Convert to fraction form
    5,765.03/7,956.15 = 3,212.95/x
  3. Step 3: Cross multiply
    5,765.03x = 7,956.15 × 3,212.95
  4. Step 4: Simplify right side
    5,765.03x = 25,562,747.89
  5. Step 5: Solve for x
    x = 25,562,747.89/5,765.03
  6. Step 6: Final answer
    x = 4,434.10

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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.