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Finding the Fourth Proportional to 8,256, 11,393.48 and 4,719.54

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Solution

The fourth proportional to 8,256, 11,393.48 and 4,719.54 is: 6,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256 : 11,393.48 = 4,719.54 : x
  2. Step 2: Convert to fraction form
    8,256/11,393.48 = 4,719.54/x
  3. Step 3: Cross multiply
    8,256x = 11,393.48 × 4,719.54
  4. Step 4: Simplify right side
    8,256x = 53,771,984.60
  5. Step 5: Solve for x
    x = 53,771,984.60/8,256
  6. Step 6: Final answer
    x = 6,513.08

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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.