Home / 8,015.25-11,061.06-4,479.21

Finding the Fourth Proportional to 8,015.25, 11,061.06 and 4,479.21

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Solution

The fourth proportional to 8,015.25, 11,061.06 and 4,479.21 is: 6,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.25 : 11,061.06 = 4,479.21 : x
  2. Step 2: Convert to fraction form
    8,015.25/11,061.06 = 4,479.21/x
  3. Step 3: Cross multiply
    8,015.25x = 11,061.06 × 4,479.21
  4. Step 4: Simplify right side
    8,015.25x = 49,544,810.56
  5. Step 5: Solve for x
    x = 49,544,810.56/8,015.25
  6. Step 6: Final answer
    x = 6,181.32

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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.