Home / 8,929.80-13,389.26-3,998.52

Finding the Fourth Proportional to 8,929.80, 13,389.26 and 3,998.52

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Solution

The fourth proportional to 8,929.80, 13,389.26 and 3,998.52 is: 5,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.80 : 13,389.26 = 3,998.52 : x
  2. Step 2: Convert to fraction form
    8,929.80/13,389.26 = 3,998.52/x
  3. Step 3: Cross multiply
    8,929.80x = 13,389.26 × 3,998.52
  4. Step 4: Simplify right side
    8,929.80x = 53,537,223.90
  5. Step 5: Solve for x
    x = 53,537,223.90/8,929.80
  6. Step 6: Final answer
    x = 5,995.34

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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.