Home / 5,004.38-7,501.71-2,405.90

Finding the Fourth Proportional to 5,004.38, 7,501.71 and 2,405.90

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Solution

The fourth proportional to 5,004.38, 7,501.71 and 2,405.90 is: 3,606.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.38 : 7,501.71 = 2,405.90 : x
  2. Step 2: Convert to fraction form
    5,004.38/7,501.71 = 2,405.90/x
  3. Step 3: Cross multiply
    5,004.38x = 7,501.71 × 2,405.90
  4. Step 4: Simplify right side
    5,004.38x = 18,048,391.87
  5. Step 5: Solve for x
    x = 18,048,391.87/5,004.38
  6. Step 6: Final answer
    x = 3,606.52

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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.