Home / 6,539.81-9,021.83-4,020.89

Finding the Fourth Proportional to 6,539.81, 9,021.83 and 4,020.89

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Solution

The fourth proportional to 6,539.81, 9,021.83 and 4,020.89 is: 5,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.81 : 9,021.83 = 4,020.89 : x
  2. Step 2: Convert to fraction form
    6,539.81/9,021.83 = 4,020.89/x
  3. Step 3: Cross multiply
    6,539.81x = 9,021.83 × 4,020.89
  4. Step 4: Simplify right side
    6,539.81x = 36,275,720.82
  5. Step 5: Solve for x
    x = 36,275,720.82/6,539.81
  6. Step 6: Final answer
    x = 5,546.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.