Home / 5,260.37-7,902.01-3,181.35

Finding the Fourth Proportional to 5,260.37, 7,902.01 and 3,181.35

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Solution

The fourth proportional to 5,260.37, 7,902.01 and 3,181.35 is: 4,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.37 : 7,902.01 = 3,181.35 : x
  2. Step 2: Convert to fraction form
    5,260.37/7,902.01 = 3,181.35/x
  3. Step 3: Cross multiply
    5,260.37x = 7,902.01 × 3,181.35
  4. Step 4: Simplify right side
    5,260.37x = 25,139,059.51
  5. Step 5: Solve for x
    x = 25,139,059.51/5,260.37
  6. Step 6: Final answer
    x = 4,778.95

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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.