Home / 4,153.90-6,231.87-3,421.94

Finding the Fourth Proportional to 4,153.90, 6,231.87 and 3,421.94

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Solution

The fourth proportional to 4,153.90, 6,231.87 and 3,421.94 is: 5,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.90 : 6,231.87 = 3,421.94 : x
  2. Step 2: Convert to fraction form
    4,153.90/6,231.87 = 3,421.94/x
  3. Step 3: Cross multiply
    4,153.90x = 6,231.87 × 3,421.94
  4. Step 4: Simplify right side
    4,153.90x = 21,325,085.23
  5. Step 5: Solve for x
    x = 21,325,085.23/4,153.90
  6. Step 6: Final answer
    x = 5,133.75

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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.