Home / 6,925.38-10,388.04-1,995

Finding the Fourth Proportional to 6,925.38, 10,388.04 and 1,995

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Solution

The fourth proportional to 6,925.38, 10,388.04 and 1,995 is: 2,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.38 : 10,388.04 = 1,995 : x
  2. Step 2: Convert to fraction form
    6,925.38/10,388.04 = 1,995/x
  3. Step 3: Cross multiply
    6,925.38x = 10,388.04 × 1,995
  4. Step 4: Simplify right side
    6,925.38x = 20,724,139.80
  5. Step 5: Solve for x
    x = 20,724,139.80/6,925.38
  6. Step 6: Final answer
    x = 2,992.49

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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.