Home / 8,721.72-13,068.21-5,027.07

Finding the Fourth Proportional to 8,721.72, 13,068.21 and 5,027.07

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Solution

The fourth proportional to 8,721.72, 13,068.21 and 5,027.07 is: 7,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.72 : 13,068.21 = 5,027.07 : x
  2. Step 2: Convert to fraction form
    8,721.72/13,068.21 = 5,027.07/x
  3. Step 3: Cross multiply
    8,721.72x = 13,068.21 × 5,027.07
  4. Step 4: Simplify right side
    8,721.72x = 65,694,806.44
  5. Step 5: Solve for x
    x = 65,694,806.44/8,721.72
  6. Step 6: Final answer
    x = 7,532.32

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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.