Home / 7,076.95-10,615.66-3,181.37

Finding the Fourth Proportional to 7,076.95, 10,615.66 and 3,181.37

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Solution

The fourth proportional to 7,076.95, 10,615.66 and 3,181.37 is: 4,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.95 : 10,615.66 = 3,181.37 : x
  2. Step 2: Convert to fraction form
    7,076.95/10,615.66 = 3,181.37/x
  3. Step 3: Cross multiply
    7,076.95x = 10,615.66 × 3,181.37
  4. Step 4: Simplify right side
    7,076.95x = 33,772,281.22
  5. Step 5: Solve for x
    x = 33,772,281.22/7,076.95
  6. Step 6: Final answer
    x = 4,772.15

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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.