Home / 5,040.48-6,954.36-3,989.28

Finding the Fourth Proportional to 5,040.48, 6,954.36 and 3,989.28

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Solution

The fourth proportional to 5,040.48, 6,954.36 and 3,989.28 is: 5,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.48 : 6,954.36 = 3,989.28 : x
  2. Step 2: Convert to fraction form
    5,040.48/6,954.36 = 3,989.28/x
  3. Step 3: Cross multiply
    5,040.48x = 6,954.36 × 3,989.28
  4. Step 4: Simplify right side
    5,040.48x = 27,742,889.26
  5. Step 5: Solve for x
    x = 27,742,889.26/5,040.48
  6. Step 6: Final answer
    x = 5,504.02

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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.