Home / 7,828.43-11,726.19-5,630.49

Finding the Fourth Proportional to 7,828.43, 11,726.19 and 5,630.49

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Solution

The fourth proportional to 7,828.43, 11,726.19 and 5,630.49 is: 8,433.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.43 : 11,726.19 = 5,630.49 : x
  2. Step 2: Convert to fraction form
    7,828.43/11,726.19 = 5,630.49/x
  3. Step 3: Cross multiply
    7,828.43x = 11,726.19 × 5,630.49
  4. Step 4: Simplify right side
    7,828.43x = 66,024,195.53
  5. Step 5: Solve for x
    x = 66,024,195.53/7,828.43
  6. Step 6: Final answer
    x = 8,433.91

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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.