Home / 8,429.96-12,635.33-5,268.85

Finding the Fourth Proportional to 8,429.96, 12,635.33 and 5,268.85

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Solution

The fourth proportional to 8,429.96, 12,635.33 and 5,268.85 is: 7,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.96 : 12,635.33 = 5,268.85 : x
  2. Step 2: Convert to fraction form
    8,429.96/12,635.33 = 5,268.85/x
  3. Step 3: Cross multiply
    8,429.96x = 12,635.33 × 5,268.85
  4. Step 4: Simplify right side
    8,429.96x = 66,573,658.47
  5. Step 5: Solve for x
    x = 66,573,658.47/8,429.96
  6. Step 6: Final answer
    x = 7,897.27

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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.