Home / 7,640.27-11,453.12-2,442.59

Finding the Fourth Proportional to 7,640.27, 11,453.12 and 2,442.59

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Solution

The fourth proportional to 7,640.27, 11,453.12 and 2,442.59 is: 3,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.27 : 11,453.12 = 2,442.59 : x
  2. Step 2: Convert to fraction form
    7,640.27/11,453.12 = 2,442.59/x
  3. Step 3: Cross multiply
    7,640.27x = 11,453.12 × 2,442.59
  4. Step 4: Simplify right side
    7,640.27x = 27,975,264.17
  5. Step 5: Solve for x
    x = 27,975,264.17/7,640.27
  6. Step 6: Final answer
    x = 3,661.55

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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.