Home / 5,457.45-8,186.38-1,759.73

Finding the Fourth Proportional to 5,457.45, 8,186.38 and 1,759.73

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Solution

The fourth proportional to 5,457.45, 8,186.38 and 1,759.73 is: 2,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.45 : 8,186.38 = 1,759.73 : x
  2. Step 2: Convert to fraction form
    5,457.45/8,186.38 = 1,759.73/x
  3. Step 3: Cross multiply
    5,457.45x = 8,186.38 × 1,759.73
  4. Step 4: Simplify right side
    5,457.45x = 14,405,834.54
  5. Step 5: Solve for x
    x = 14,405,834.54/5,457.45
  6. Step 6: Final answer
    x = 2,639.66

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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.