Home / 8,979.21-13,458.27-4,043.07

Finding the Fourth Proportional to 8,979.21, 13,458.27 and 4,043.07

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Solution

The fourth proportional to 8,979.21, 13,458.27 and 4,043.07 is: 6,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.21 : 13,458.27 = 4,043.07 : x
  2. Step 2: Convert to fraction form
    8,979.21/13,458.27 = 4,043.07/x
  3. Step 3: Cross multiply
    8,979.21x = 13,458.27 × 4,043.07
  4. Step 4: Simplify right side
    8,979.21x = 54,412,727.69
  5. Step 5: Solve for x
    x = 54,412,727.69/8,979.21
  6. Step 6: Final answer
    x = 6,059.86

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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.