Home / 8,256.13-11,393.31-4,479.28

Finding the Fourth Proportional to 8,256.13, 11,393.31 and 4,479.28

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Solution

The fourth proportional to 8,256.13, 11,393.31 and 4,479.28 is: 6,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.13 : 11,393.31 = 4,479.28 : x
  2. Step 2: Convert to fraction form
    8,256.13/11,393.31 = 4,479.28/x
  3. Step 3: Cross multiply
    8,256.13x = 11,393.31 × 4,479.28
  4. Step 4: Simplify right side
    8,256.13x = 51,033,825.62
  5. Step 5: Solve for x
    x = 51,033,825.62/8,256.13
  6. Step 6: Final answer
    x = 6,181.33

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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.