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Finding the Fourth Proportional to 6,103, 8,422.14 and 3,308.50

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Solution

The fourth proportional to 6,103, 8,422.14 and 3,308.50 is: 4,565.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103 : 8,422.14 = 3,308.50 : x
  2. Step 2: Convert to fraction form
    6,103/8,422.14 = 3,308.50/x
  3. Step 3: Cross multiply
    6,103x = 8,422.14 × 3,308.50
  4. Step 4: Simplify right side
    6,103x = 27,864,650.19
  5. Step 5: Solve for x
    x = 27,864,650.19/6,103
  6. Step 6: Final answer
    x = 4,565.73

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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.