Home / 7,605.36-11,399.04-3,700.80

Finding the Fourth Proportional to 7,605.36, 11,399.04 and 3,700.80

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Solution

The fourth proportional to 7,605.36, 11,399.04 and 3,700.80 is: 5,546.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.36 : 11,399.04 = 3,700.80 : x
  2. Step 2: Convert to fraction form
    7,605.36/11,399.04 = 3,700.80/x
  3. Step 3: Cross multiply
    7,605.36x = 11,399.04 × 3,700.80
  4. Step 4: Simplify right side
    7,605.36x = 42,185,567.23
  5. Step 5: Solve for x
    x = 42,185,567.23/7,605.36
  6. Step 6: Final answer
    x = 5,546.82

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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.