Home / 6,925.16-10,389.66-3,998.12

Finding the Fourth Proportional to 6,925.16, 10,389.66 and 3,998.12

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Solution

The fourth proportional to 6,925.16, 10,389.66 and 3,998.12 is: 5,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.16 : 10,389.66 = 3,998.12 : x
  2. Step 2: Convert to fraction form
    6,925.16/10,389.66 = 3,998.12/x
  3. Step 3: Cross multiply
    6,925.16x = 10,389.66 × 3,998.12
  4. Step 4: Simplify right side
    6,925.16x = 41,539,107.44
  5. Step 5: Solve for x
    x = 41,539,107.44/6,925.16
  6. Step 6: Final answer
    x = 5,998.29

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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.