Home / 7,350.94-11,026.41-3,190.78

Finding the Fourth Proportional to 7,350.94, 11,026.41 and 3,190.78

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Solution

The fourth proportional to 7,350.94, 11,026.41 and 3,190.78 is: 4,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.94 : 11,026.41 = 3,190.78 : x
  2. Step 2: Convert to fraction form
    7,350.94/11,026.41 = 3,190.78/x
  3. Step 3: Cross multiply
    7,350.94x = 11,026.41 × 3,190.78
  4. Step 4: Simplify right side
    7,350.94x = 35,182,848.50
  5. Step 5: Solve for x
    x = 35,182,848.50/7,350.94
  6. Step 6: Final answer
    x = 4,786.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.