Home / 8,199.29-12,300.46-2,652.08

Finding the Fourth Proportional to 8,199.29, 12,300.46 and 2,652.08

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Solution

The fourth proportional to 8,199.29, 12,300.46 and 2,652.08 is: 3,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.29 : 12,300.46 = 2,652.08 : x
  2. Step 2: Convert to fraction form
    8,199.29/12,300.46 = 2,652.08/x
  3. Step 3: Cross multiply
    8,199.29x = 12,300.46 × 2,652.08
  4. Step 4: Simplify right side
    8,199.29x = 32,621,735.82
  5. Step 5: Solve for x
    x = 32,621,735.82/8,199.29
  6. Step 6: Final answer
    x = 3,978.60

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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.