Home / 8,173.36-11,257.75-6,281.32

Finding the Fourth Proportional to 8,173.36, 11,257.75 and 6,281.32

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Solution

The fourth proportional to 8,173.36, 11,257.75 and 6,281.32 is: 8,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.36 : 11,257.75 = 6,281.32 : x
  2. Step 2: Convert to fraction form
    8,173.36/11,257.75 = 6,281.32/x
  3. Step 3: Cross multiply
    8,173.36x = 11,257.75 × 6,281.32
  4. Step 4: Simplify right side
    8,173.36x = 70,713,507.49
  5. Step 5: Solve for x
    x = 70,713,507.49/8,173.36
  6. Step 6: Final answer
    x = 8,651.71

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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.