Home / 5,647-8,470.38-2,526.28

Finding the Fourth Proportional to 5,647, 8,470.38 and 2,526.28

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Solution

The fourth proportional to 5,647, 8,470.38 and 2,526.28 is: 3,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647 : 8,470.38 = 2,526.28 : x
  2. Step 2: Convert to fraction form
    5,647/8,470.38 = 2,526.28/x
  3. Step 3: Cross multiply
    5,647x = 8,470.38 × 2,526.28
  4. Step 4: Simplify right side
    5,647x = 21,398,551.59
  5. Step 5: Solve for x
    x = 21,398,551.59/5,647
  6. Step 6: Final answer
    x = 3,789.37

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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.