Home / 7,624.26-11,436.39-2,430

Finding the Fourth Proportional to 7,624.26, 11,436.39 and 2,430

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Solution

The fourth proportional to 7,624.26, 11,436.39 and 2,430 is: 3,645

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.26 : 11,436.39 = 2,430 : x
  2. Step 2: Convert to fraction form
    7,624.26/11,436.39 = 2,430/x
  3. Step 3: Cross multiply
    7,624.26x = 11,436.39 × 2,430
  4. Step 4: Simplify right side
    7,624.26x = 27,790,427.70
  5. Step 5: Solve for x
    x = 27,790,427.70/7,624.26
  6. Step 6: Final answer
    x = 3,645

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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.