Home / 8,016.21-11,062.80-4,479.39

Finding the Fourth Proportional to 8,016.21, 11,062.80 and 4,479.39

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Solution

The fourth proportional to 8,016.21, 11,062.80 and 4,479.39 is: 6,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,016.21 : 11,062.80 = 4,479.39 : x
  2. Step 2: Convert to fraction form
    8,016.21/11,062.80 = 4,479.39/x
  3. Step 3: Cross multiply
    8,016.21x = 11,062.80 × 4,479.39
  4. Step 4: Simplify right side
    8,016.21x = 49,554,595.69
  5. Step 5: Solve for x
    x = 49,554,595.69/8,016.21
  6. Step 6: Final answer
    x = 6,181.80

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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.