Home / 6,021.90-9,042.45-4,389.90

Finding the Fourth Proportional to 6,021.90, 9,042.45 and 4,389.90

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Solution

The fourth proportional to 6,021.90, 9,042.45 and 4,389.90 is: 6,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,021.90 : 9,042.45 = 4,389.90 : x
  2. Step 2: Convert to fraction form
    6,021.90/9,042.45 = 4,389.90/x
  3. Step 3: Cross multiply
    6,021.90x = 9,042.45 × 4,389.90
  4. Step 4: Simplify right side
    6,021.90x = 39,695,451.26
  5. Step 5: Solve for x
    x = 39,695,451.26/6,021.90
  6. Step 6: Final answer
    x = 6,591.85

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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.