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Finding the Fourth Proportional to 8,979.56, 13,468.22 and 2,406.20

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Solution

The fourth proportional to 8,979.56, 13,468.22 and 2,406.20 is: 3,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.56 : 13,468.22 = 2,406.20 : x
  2. Step 2: Convert to fraction form
    8,979.56/13,468.22 = 2,406.20/x
  3. Step 3: Cross multiply
    8,979.56x = 13,468.22 × 2,406.20
  4. Step 4: Simplify right side
    8,979.56x = 32,407,218.93
  5. Step 5: Solve for x
    x = 32,407,218.93/8,979.56
  6. Step 6: Final answer
    x = 3,609.00

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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.