Home / 5,457.36-8,179.38-4,154.88

Finding the Fourth Proportional to 5,457.36, 8,179.38 and 4,154.88

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Solution

The fourth proportional to 5,457.36, 8,179.38 and 4,154.88 is: 6,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.36 : 8,179.38 = 4,154.88 : x
  2. Step 2: Convert to fraction form
    5,457.36/8,179.38 = 4,154.88/x
  3. Step 3: Cross multiply
    5,457.36x = 8,179.38 × 4,154.88
  4. Step 4: Simplify right side
    5,457.36x = 33,984,342.37
  5. Step 5: Solve for x
    x = 33,984,342.37/5,457.36
  6. Step 6: Final answer
    x = 6,227.25

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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.