Home / 4,458.48-6,687.90-1,171.91

Finding the Fourth Proportional to 4,458.48, 6,687.90 and 1,171.91

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Solution

The fourth proportional to 4,458.48, 6,687.90 and 1,171.91 is: 1,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.48 : 6,687.90 = 1,171.91 : x
  2. Step 2: Convert to fraction form
    4,458.48/6,687.90 = 1,171.91/x
  3. Step 3: Cross multiply
    4,458.48x = 6,687.90 × 1,171.91
  4. Step 4: Simplify right side
    4,458.48x = 7,837,583.45
  5. Step 5: Solve for x
    x = 7,837,583.45/4,458.48
  6. Step 6: Final answer
    x = 1,757.90

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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.