Home / 8,322.82-11,486.81-6,090.86

Finding the Fourth Proportional to 8,322.82, 11,486.81 and 6,090.86

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Solution

The fourth proportional to 8,322.82, 11,486.81 and 6,090.86 is: 8,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.82 : 11,486.81 = 6,090.86 : x
  2. Step 2: Convert to fraction form
    8,322.82/11,486.81 = 6,090.86/x
  3. Step 3: Cross multiply
    8,322.82x = 11,486.81 × 6,090.86
  4. Step 4: Simplify right side
    8,322.82x = 69,964,595.50
  5. Step 5: Solve for x
    x = 69,964,595.50/8,322.82
  6. Step 6: Final answer
    x = 8,406.36

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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.