Home / 6,127.30-8,457.44-3,973.78

Finding the Fourth Proportional to 6,127.30, 8,457.44 and 3,973.78

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Solution

The fourth proportional to 6,127.30, 8,457.44 and 3,973.78 is: 5,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.30 : 8,457.44 = 3,973.78 : x
  2. Step 2: Convert to fraction form
    6,127.30/8,457.44 = 3,973.78/x
  3. Step 3: Cross multiply
    6,127.30x = 8,457.44 × 3,973.78
  4. Step 4: Simplify right side
    6,127.30x = 33,608,018.98
  5. Step 5: Solve for x
    x = 33,608,018.98/6,127.30
  6. Step 6: Final answer
    x = 5,484.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.