Home / 8,019.57-12,029.37-3,091.53

Finding the Fourth Proportional to 8,019.57, 12,029.37 and 3,091.53

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Solution

The fourth proportional to 8,019.57, 12,029.37 and 3,091.53 is: 4,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.57 : 12,029.37 = 3,091.53 : x
  2. Step 2: Convert to fraction form
    8,019.57/12,029.37 = 3,091.53/x
  3. Step 3: Cross multiply
    8,019.57x = 12,029.37 × 3,091.53
  4. Step 4: Simplify right side
    8,019.57x = 37,189,158.24
  5. Step 5: Solve for x
    x = 37,189,158.24/8,019.57
  6. Step 6: Final answer
    x = 4,637.30

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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.