Home / 8,268.77-12,400.53-2,720.63

Finding the Fourth Proportional to 8,268.77, 12,400.53 and 2,720.63

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Solution

The fourth proportional to 8,268.77, 12,400.53 and 2,720.63 is: 4,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.77 : 12,400.53 = 2,720.63 : x
  2. Step 2: Convert to fraction form
    8,268.77/12,400.53 = 2,720.63/x
  3. Step 3: Cross multiply
    8,268.77x = 12,400.53 × 2,720.63
  4. Step 4: Simplify right side
    8,268.77x = 33,737,284.94
  5. Step 5: Solve for x
    x = 33,737,284.94/8,268.77
  6. Step 6: Final answer
    x = 4,080.08

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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.