Home / 8,164.26-12,235.05-4,458.78

Finding the Fourth Proportional to 8,164.26, 12,235.05 and 4,458.78

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Solution

The fourth proportional to 8,164.26, 12,235.05 and 4,458.78 is: 6,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.26 : 12,235.05 = 4,458.78 : x
  2. Step 2: Convert to fraction form
    8,164.26/12,235.05 = 4,458.78/x
  3. Step 3: Cross multiply
    8,164.26x = 12,235.05 × 4,458.78
  4. Step 4: Simplify right side
    8,164.26x = 54,553,396.24
  5. Step 5: Solve for x
    x = 54,553,396.24/8,164.26
  6. Step 6: Final answer
    x = 6,681.98

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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.