Home / 6,103.68-9,150.05-3,178.63

Finding the Fourth Proportional to 6,103.68, 9,150.05 and 3,178.63

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Solution

The fourth proportional to 6,103.68, 9,150.05 and 3,178.63 is: 4,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.68 : 9,150.05 = 3,178.63 : x
  2. Step 2: Convert to fraction form
    6,103.68/9,150.05 = 3,178.63/x
  3. Step 3: Cross multiply
    6,103.68x = 9,150.05 × 3,178.63
  4. Step 4: Simplify right side
    6,103.68x = 29,084,607.54
  5. Step 5: Solve for x
    x = 29,084,607.54/6,103.68
  6. Step 6: Final answer
    x = 4,765.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.