Home / 5,457.44-8,186.69-2,169.80

Finding the Fourth Proportional to 5,457.44, 8,186.69 and 2,169.80

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Solution

The fourth proportional to 5,457.44, 8,186.69 and 2,169.80 is: 3,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.44 : 8,186.69 = 2,169.80 : x
  2. Step 2: Convert to fraction form
    5,457.44/8,186.69 = 2,169.80/x
  3. Step 3: Cross multiply
    5,457.44x = 8,186.69 × 2,169.80
  4. Step 4: Simplify right side
    5,457.44x = 17,763,479.96
  5. Step 5: Solve for x
    x = 17,763,479.96/5,457.44
  6. Step 6: Final answer
    x = 3,254.91

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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.