Home / 5,457.78-8,180.26-2,529.92

Finding the Fourth Proportional to 5,457.78, 8,180.26 and 2,529.92

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Solution

The fourth proportional to 5,457.78, 8,180.26 and 2,529.92 is: 3,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.78 : 8,180.26 = 2,529.92 : x
  2. Step 2: Convert to fraction form
    5,457.78/8,180.26 = 2,529.92/x
  3. Step 3: Cross multiply
    5,457.78x = 8,180.26 × 2,529.92
  4. Step 4: Simplify right side
    5,457.78x = 20,695,417.51
  5. Step 5: Solve for x
    x = 20,695,417.51/5,457.78
  6. Step 6: Final answer
    x = 3,791.91

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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.