Home / 4,214.90-6,319.22-2,021.54

Finding the Fourth Proportional to 4,214.90, 6,319.22 and 2,021.54

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Solution

The fourth proportional to 4,214.90, 6,319.22 and 2,021.54 is: 3,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.90 : 6,319.22 = 2,021.54 : x
  2. Step 2: Convert to fraction form
    4,214.90/6,319.22 = 2,021.54/x
  3. Step 3: Cross multiply
    4,214.90x = 6,319.22 × 2,021.54
  4. Step 4: Simplify right side
    4,214.90x = 12,774,524.40
  5. Step 5: Solve for x
    x = 12,774,524.40/4,214.90
  6. Step 6: Final answer
    x = 3,030.80

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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.