Home / 8,256.39-11,393.85-4,479.60

Finding the Fourth Proportional to 8,256.39, 11,393.85 and 4,479.60

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Solution

The fourth proportional to 8,256.39, 11,393.85 and 4,479.60 is: 6,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.39 : 11,393.85 = 4,479.60 : x
  2. Step 2: Convert to fraction form
    8,256.39/11,393.85 = 4,479.60/x
  3. Step 3: Cross multiply
    8,256.39x = 11,393.85 × 4,479.60
  4. Step 4: Simplify right side
    8,256.39x = 51,039,890.46
  5. Step 5: Solve for x
    x = 51,039,890.46/8,256.39
  6. Step 6: Final answer
    x = 6,181.87

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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.