Home / 6,620.07-9,139.97-4,104.85

Finding the Fourth Proportional to 6,620.07, 9,139.97 and 4,104.85

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Solution

The fourth proportional to 6,620.07, 9,139.97 and 4,104.85 is: 5,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.07 : 9,139.97 = 4,104.85 : x
  2. Step 2: Convert to fraction form
    6,620.07/9,139.97 = 4,104.85/x
  3. Step 3: Cross multiply
    6,620.07x = 9,139.97 × 4,104.85
  4. Step 4: Simplify right side
    6,620.07x = 37,518,205.85
  5. Step 5: Solve for x
    x = 37,518,205.85/6,620.07
  6. Step 6: Final answer
    x = 5,667.34

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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.