Home / 8,256.33-12,379.23-3,509.93

Finding the Fourth Proportional to 8,256.33, 12,379.23 and 3,509.93

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Solution

The fourth proportional to 8,256.33, 12,379.23 and 3,509.93 is: 5,262.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.33 : 12,379.23 = 3,509.93 : x
  2. Step 2: Convert to fraction form
    8,256.33/12,379.23 = 3,509.93/x
  3. Step 3: Cross multiply
    8,256.33x = 12,379.23 × 3,509.93
  4. Step 4: Simplify right side
    8,256.33x = 43,450,261.70
  5. Step 5: Solve for x
    x = 43,450,261.70/8,256.33
  6. Step 6: Final answer
    x = 5,262.66

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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.