Home / 5,479.81-8,218.90-2,016.25

Finding the Fourth Proportional to 5,479.81, 8,218.90 and 2,016.25

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Solution

The fourth proportional to 5,479.81, 8,218.90 and 2,016.25 is: 3,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.81 : 8,218.90 = 2,016.25 : x
  2. Step 2: Convert to fraction form
    5,479.81/8,218.90 = 2,016.25/x
  3. Step 3: Cross multiply
    5,479.81x = 8,218.90 × 2,016.25
  4. Step 4: Simplify right side
    5,479.81x = 16,571,357.13
  5. Step 5: Solve for x
    x = 16,571,357.13/5,479.81
  6. Step 6: Final answer
    x = 3,024.08

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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.