Home / 8,929.93-13,397.51-3,998.42

Finding the Fourth Proportional to 8,929.93, 13,397.51 and 3,998.42

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Solution

The fourth proportional to 8,929.93, 13,397.51 and 3,998.42 is: 5,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.93 : 13,397.51 = 3,998.42 : x
  2. Step 2: Convert to fraction form
    8,929.93/13,397.51 = 3,998.42/x
  3. Step 3: Cross multiply
    8,929.93x = 13,397.51 × 3,998.42
  4. Step 4: Simplify right side
    8,929.93x = 53,568,835.20
  5. Step 5: Solve for x
    x = 53,568,835.20/8,929.93
  6. Step 6: Final answer
    x = 5,998.80

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1.5x scale

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.