Home / 7,028.31-9,698.75-4,340.73

Finding the Fourth Proportional to 7,028.31, 9,698.75 and 4,340.73

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Solution

The fourth proportional to 7,028.31, 9,698.75 and 4,340.73 is: 5,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.31 : 9,698.75 = 4,340.73 : x
  2. Step 2: Convert to fraction form
    7,028.31/9,698.75 = 4,340.73/x
  3. Step 3: Cross multiply
    7,028.31x = 9,698.75 × 4,340.73
  4. Step 4: Simplify right side
    7,028.31x = 42,099,710.45
  5. Step 5: Solve for x
    x = 42,099,710.45/7,028.31
  6. Step 6: Final answer
    x = 5,990.02

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Half scale
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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.