Home / 6,555.33-9,042.21-3,900.75

Finding the Fourth Proportional to 6,555.33, 9,042.21 and 3,900.75

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Solution

The fourth proportional to 6,555.33, 9,042.21 and 3,900.75 is: 5,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.33 : 9,042.21 = 3,900.75 : x
  2. Step 2: Convert to fraction form
    6,555.33/9,042.21 = 3,900.75/x
  3. Step 3: Cross multiply
    6,555.33x = 9,042.21 × 3,900.75
  4. Step 4: Simplify right side
    6,555.33x = 35,271,400.66
  5. Step 5: Solve for x
    x = 35,271,400.66/6,555.33
  6. Step 6: Final answer
    x = 5,380.57

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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.