Home / 5,457.48-8,180.82-2,168.52

Finding the Fourth Proportional to 5,457.48, 8,180.82 and 2,168.52

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Solution

The fourth proportional to 5,457.48, 8,180.82 and 2,168.52 is: 3,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.48 : 8,180.82 = 2,168.52 : x
  2. Step 2: Convert to fraction form
    5,457.48/8,180.82 = 2,168.52/x
  3. Step 3: Cross multiply
    5,457.48x = 8,180.82 × 2,168.52
  4. Step 4: Simplify right side
    5,457.48x = 17,740,271.79
  5. Step 5: Solve for x
    x = 17,740,271.79/5,457.48
  6. Step 6: Final answer
    x = 3,250.63

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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.