Home / 5,476.80-8,217.60-3,008.64

Finding the Fourth Proportional to 5,476.80, 8,217.60 and 3,008.64

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Solution

The fourth proportional to 5,476.80, 8,217.60 and 3,008.64 is: 4,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.80 : 8,217.60 = 3,008.64 : x
  2. Step 2: Convert to fraction form
    5,476.80/8,217.60 = 3,008.64/x
  3. Step 3: Cross multiply
    5,476.80x = 8,217.60 × 3,008.64
  4. Step 4: Simplify right side
    5,476.80x = 24,723,800.06
  5. Step 5: Solve for x
    x = 24,723,800.06/5,476.80
  6. Step 6: Final answer
    x = 4,514.28

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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.