Home / 8,256.49-11,393.86-4,479.59

Finding the Fourth Proportional to 8,256.49, 11,393.86 and 4,479.59

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Solution

The fourth proportional to 8,256.49, 11,393.86 and 4,479.59 is: 6,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.49 : 11,393.86 = 4,479.59 : x
  2. Step 2: Convert to fraction form
    8,256.49/11,393.86 = 4,479.59/x
  3. Step 3: Cross multiply
    8,256.49x = 11,393.86 × 4,479.59
  4. Step 4: Simplify right side
    8,256.49x = 51,039,821.32
  5. Step 5: Solve for x
    x = 51,039,821.32/8,256.49
  6. Step 6: Final answer
    x = 6,181.78

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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.