Home / 4,113.48-6,172.44-2,987.85

Finding the Fourth Proportional to 4,113.48, 6,172.44 and 2,987.85

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Solution

The fourth proportional to 4,113.48, 6,172.44 and 2,987.85 is: 4,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.48 : 6,172.44 = 2,987.85 : x
  2. Step 2: Convert to fraction form
    4,113.48/6,172.44 = 2,987.85/x
  3. Step 3: Cross multiply
    4,113.48x = 6,172.44 × 2,987.85
  4. Step 4: Simplify right side
    4,113.48x = 18,442,324.85
  5. Step 5: Solve for x
    x = 18,442,324.85/4,113.48
  6. Step 6: Final answer
    x = 4,483.39

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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.