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Finding the Fourth Proportional to 6,018.48, 8,306.28 and 3,928.68

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Solution

The fourth proportional to 6,018.48, 8,306.28 and 3,928.68 is: 5,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,018.48 : 8,306.28 = 3,928.68 : x
  2. Step 2: Convert to fraction form
    6,018.48/8,306.28 = 3,928.68/x
  3. Step 3: Cross multiply
    6,018.48x = 8,306.28 × 3,928.68
  4. Step 4: Simplify right side
    6,018.48x = 32,632,716.11
  5. Step 5: Solve for x
    x = 32,632,716.11/6,018.48
  6. Step 6: Final answer
    x = 5,422.09

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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.