Home / 8,190.90-12,282.03-3,568.50

Finding the Fourth Proportional to 8,190.90, 12,282.03 and 3,568.50

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Solution

The fourth proportional to 8,190.90, 12,282.03 and 3,568.50 is: 5,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.90 : 12,282.03 = 3,568.50 : x
  2. Step 2: Convert to fraction form
    8,190.90/12,282.03 = 3,568.50/x
  3. Step 3: Cross multiply
    8,190.90x = 12,282.03 × 3,568.50
  4. Step 4: Simplify right side
    8,190.90x = 43,828,424.06
  5. Step 5: Solve for x
    x = 43,828,424.06/8,190.90
  6. Step 6: Final answer
    x = 5,350.87

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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.