Home / 8,249.18-12,374.64-2,405.77

Finding the Fourth Proportional to 8,249.18, 12,374.64 and 2,405.77

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Solution

The fourth proportional to 8,249.18, 12,374.64 and 2,405.77 is: 3,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.18 : 12,374.64 = 2,405.77 : x
  2. Step 2: Convert to fraction form
    8,249.18/12,374.64 = 2,405.77/x
  3. Step 3: Cross multiply
    8,249.18x = 12,374.64 × 2,405.77
  4. Step 4: Simplify right side
    8,249.18x = 29,770,506.74
  5. Step 5: Solve for x
    x = 29,770,506.74/8,249.18
  6. Step 6: Final answer
    x = 3,608.91

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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.