Home / 4,669.20-7,004.80-2,072.88

Finding the Fourth Proportional to 4,669.20, 7,004.80 and 2,072.88

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Solution

The fourth proportional to 4,669.20, 7,004.80 and 2,072.88 is: 3,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.20 : 7,004.80 = 2,072.88 : x
  2. Step 2: Convert to fraction form
    4,669.20/7,004.80 = 2,072.88/x
  3. Step 3: Cross multiply
    4,669.20x = 7,004.80 × 2,072.88
  4. Step 4: Simplify right side
    4,669.20x = 14,520,109.82
  5. Step 5: Solve for x
    x = 14,520,109.82/4,669.20
  6. Step 6: Final answer
    x = 3,109.76

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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.