Home / 8,230.44-12,345.69-3,036.30

Finding the Fourth Proportional to 8,230.44, 12,345.69 and 3,036.30

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Solution

The fourth proportional to 8,230.44, 12,345.69 and 3,036.30 is: 4,554.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.44 : 12,345.69 = 3,036.30 : x
  2. Step 2: Convert to fraction form
    8,230.44/12,345.69 = 3,036.30/x
  3. Step 3: Cross multiply
    8,230.44x = 12,345.69 × 3,036.30
  4. Step 4: Simplify right side
    8,230.44x = 37,485,218.55
  5. Step 5: Solve for x
    x = 37,485,218.55/8,230.44
  6. Step 6: Final answer
    x = 4,554.46

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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.