Home / 8,201.15-12,300.36-2,653.69

Finding the Fourth Proportional to 8,201.15, 12,300.36 and 2,653.69

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Solution

The fourth proportional to 8,201.15, 12,300.36 and 2,653.69 is: 3,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.15 : 12,300.36 = 2,653.69 : x
  2. Step 2: Convert to fraction form
    8,201.15/12,300.36 = 2,653.69/x
  3. Step 3: Cross multiply
    8,201.15x = 12,300.36 × 2,653.69
  4. Step 4: Simplify right side
    8,201.15x = 32,641,290.09
  5. Step 5: Solve for x
    x = 32,641,290.09/8,201.15
  6. Step 6: Final answer
    x = 3,980.09

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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.