Home / 8,103.78-11,183.28-4,748.58

Finding the Fourth Proportional to 8,103.78, 11,183.28 and 4,748.58

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Solution

The fourth proportional to 8,103.78, 11,183.28 and 4,748.58 is: 6,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.78 : 11,183.28 = 4,748.58 : x
  2. Step 2: Convert to fraction form
    8,103.78/11,183.28 = 4,748.58/x
  3. Step 3: Cross multiply
    8,103.78x = 11,183.28 × 4,748.58
  4. Step 4: Simplify right side
    8,103.78x = 53,104,699.74
  5. Step 5: Solve for x
    x = 53,104,699.74/8,103.78
  6. Step 6: Final answer
    x = 6,553.08

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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.