Home / 5,076.96-7,004.40-2,868.96

Finding the Fourth Proportional to 5,076.96, 7,004.40 and 2,868.96

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Solution

The fourth proportional to 5,076.96, 7,004.40 and 2,868.96 is: 3,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.96 : 7,004.40 = 2,868.96 : x
  2. Step 2: Convert to fraction form
    5,076.96/7,004.40 = 2,868.96/x
  3. Step 3: Cross multiply
    5,076.96x = 7,004.40 × 2,868.96
  4. Step 4: Simplify right side
    5,076.96x = 20,095,343.42
  5. Step 5: Solve for x
    x = 20,095,343.42/5,076.96
  6. Step 6: Final answer
    x = 3,958.14

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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.