Home / 8,410.30-12,629.45-5,255.04

Finding the Fourth Proportional to 8,410.30, 12,629.45 and 5,255.04

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Solution

The fourth proportional to 8,410.30, 12,629.45 and 5,255.04 is: 7,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.30 : 12,629.45 = 5,255.04 : x
  2. Step 2: Convert to fraction form
    8,410.30/12,629.45 = 5,255.04/x
  3. Step 3: Cross multiply
    8,410.30x = 12,629.45 × 5,255.04
  4. Step 4: Simplify right side
    8,410.30x = 66,368,325.43
  5. Step 5: Solve for x
    x = 66,368,325.43/8,410.30
  6. Step 6: Final answer
    x = 7,891.32

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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.