Home / 4,668.87-7,001.19-1,380.81

Finding the Fourth Proportional to 4,668.87, 7,001.19 and 1,380.81

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Solution

The fourth proportional to 4,668.87, 7,001.19 and 1,380.81 is: 2,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.87 : 7,001.19 = 1,380.81 : x
  2. Step 2: Convert to fraction form
    4,668.87/7,001.19 = 1,380.81/x
  3. Step 3: Cross multiply
    4,668.87x = 7,001.19 × 1,380.81
  4. Step 4: Simplify right side
    4,668.87x = 9,667,313.16
  5. Step 5: Solve for x
    x = 9,667,313.16/4,668.87
  6. Step 6: Final answer
    x = 2,070.59

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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.