Home / 5,452.36-8,172.06-3,139

Finding the Fourth Proportional to 5,452.36, 8,172.06 and 3,139

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Solution

The fourth proportional to 5,452.36, 8,172.06 and 3,139 is: 4,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.36 : 8,172.06 = 3,139 : x
  2. Step 2: Convert to fraction form
    5,452.36/8,172.06 = 3,139/x
  3. Step 3: Cross multiply
    5,452.36x = 8,172.06 × 3,139
  4. Step 4: Simplify right side
    5,452.36x = 25,652,096.34
  5. Step 5: Solve for x
    x = 25,652,096.34/5,452.36
  6. Step 6: Final answer
    x = 4,704.77

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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.