Home / 7,028.76-9,698.09-4,197.05

Finding the Fourth Proportional to 7,028.76, 9,698.09 and 4,197.05

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Solution

The fourth proportional to 7,028.76, 9,698.09 and 4,197.05 is: 5,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.76 : 9,698.09 = 4,197.05 : x
  2. Step 2: Convert to fraction form
    7,028.76/9,698.09 = 4,197.05/x
  3. Step 3: Cross multiply
    7,028.76x = 9,698.09 × 4,197.05
  4. Step 4: Simplify right side
    7,028.76x = 40,703,335.53
  5. Step 5: Solve for x
    x = 40,703,335.53/7,028.76
  6. Step 6: Final answer
    x = 5,790.97

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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.