Home / 6,926.16-10,388.08-1,994.72

Finding the Fourth Proportional to 6,926.16, 10,388.08 and 1,994.72

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Solution

The fourth proportional to 6,926.16, 10,388.08 and 1,994.72 is: 2,991.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926.16 : 10,388.08 = 1,994.72 : x
  2. Step 2: Convert to fraction form
    6,926.16/10,388.08 = 1,994.72/x
  3. Step 3: Cross multiply
    6,926.16x = 10,388.08 × 1,994.72
  4. Step 4: Simplify right side
    6,926.16x = 20,721,310.94
  5. Step 5: Solve for x
    x = 20,721,310.94/6,926.16
  6. Step 6: Final answer
    x = 2,991.75

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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.