Home / 7,345.30-11,017.82-2,412.94

Finding the Fourth Proportional to 7,345.30, 11,017.82 and 2,412.94

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Solution

The fourth proportional to 7,345.30, 11,017.82 and 2,412.94 is: 3,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.30 : 11,017.82 = 2,412.94 : x
  2. Step 2: Convert to fraction form
    7,345.30/11,017.82 = 2,412.94/x
  3. Step 3: Cross multiply
    7,345.30x = 11,017.82 × 2,412.94
  4. Step 4: Simplify right side
    7,345.30x = 26,585,338.59
  5. Step 5: Solve for x
    x = 26,585,338.59/7,345.30
  6. Step 6: Final answer
    x = 3,619.37

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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.