Home / 8,161.46-12,245.64-4,459.36

Finding the Fourth Proportional to 8,161.46, 12,245.64 and 4,459.36

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Solution

The fourth proportional to 8,161.46, 12,245.64 and 4,459.36 is: 6,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.46 : 12,245.64 = 4,459.36 : x
  2. Step 2: Convert to fraction form
    8,161.46/12,245.64 = 4,459.36/x
  3. Step 3: Cross multiply
    8,161.46x = 12,245.64 × 4,459.36
  4. Step 4: Simplify right side
    8,161.46x = 54,607,747.66
  5. Step 5: Solve for x
    x = 54,607,747.66/8,161.46
  6. Step 6: Final answer
    x = 6,690.93

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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.