Home / 5,457.44-8,186.52-1,997.12

Finding the Fourth Proportional to 5,457.44, 8,186.52 and 1,997.12

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Solution

The fourth proportional to 5,457.44, 8,186.52 and 1,997.12 is: 2,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.44 : 8,186.52 = 1,997.12 : x
  2. Step 2: Convert to fraction form
    5,457.44/8,186.52 = 1,997.12/x
  3. Step 3: Cross multiply
    5,457.44x = 8,186.52 × 1,997.12
  4. Step 4: Simplify right side
    5,457.44x = 16,349,462.82
  5. Step 5: Solve for x
    x = 16,349,462.82/5,457.44
  6. Step 6: Final answer
    x = 2,995.81

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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.