Home / 8,015.96-11,060.45-4,478.49

Finding the Fourth Proportional to 8,015.96, 11,060.45 and 4,478.49

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Solution

The fourth proportional to 8,015.96, 11,060.45 and 4,478.49 is: 6,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.96 : 11,060.45 = 4,478.49 : x
  2. Step 2: Convert to fraction form
    8,015.96/11,060.45 = 4,478.49/x
  3. Step 3: Cross multiply
    8,015.96x = 11,060.45 × 4,478.49
  4. Step 4: Simplify right side
    8,015.96x = 49,534,109.12
  5. Step 5: Solve for x
    x = 49,534,109.12/8,015.96
  6. Step 6: Final answer
    x = 6,179.43

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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.