Home / 8,629.20-11,899.44-6,110.64

Finding the Fourth Proportional to 8,629.20, 11,899.44 and 6,110.64

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Solution

The fourth proportional to 8,629.20, 11,899.44 and 6,110.64 is: 8,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.20 : 11,899.44 = 6,110.64 : x
  2. Step 2: Convert to fraction form
    8,629.20/11,899.44 = 6,110.64/x
  3. Step 3: Cross multiply
    8,629.20x = 11,899.44 × 6,110.64
  4. Step 4: Simplify right side
    8,629.20x = 72,713,194.04
  5. Step 5: Solve for x
    x = 72,713,194.04/8,629.20
  6. Step 6: Final answer
    x = 8,426.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.