Home / 5,286.63-7,295.06-3,161.73

Finding the Fourth Proportional to 5,286.63, 7,295.06 and 3,161.73

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Solution

The fourth proportional to 5,286.63, 7,295.06 and 3,161.73 is: 4,362.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.63 : 7,295.06 = 3,161.73 : x
  2. Step 2: Convert to fraction form
    5,286.63/7,295.06 = 3,161.73/x
  3. Step 3: Cross multiply
    5,286.63x = 7,295.06 × 3,161.73
  4. Step 4: Simplify right side
    5,286.63x = 23,064,994.25
  5. Step 5: Solve for x
    x = 23,064,994.25/5,286.63
  6. Step 6: Final answer
    x = 4,362.89

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1.5x scale

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.