Home / 6,885.06-10,327.62-1,690.92

Finding the Fourth Proportional to 6,885.06, 10,327.62 and 1,690.92

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Solution

The fourth proportional to 6,885.06, 10,327.62 and 1,690.92 is: 2,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.06 : 10,327.62 = 1,690.92 : x
  2. Step 2: Convert to fraction form
    6,885.06/10,327.62 = 1,690.92/x
  3. Step 3: Cross multiply
    6,885.06x = 10,327.62 × 1,690.92
  4. Step 4: Simplify right side
    6,885.06x = 17,463,179.21
  5. Step 5: Solve for x
    x = 17,463,179.21/6,885.06
  6. Step 6: Final answer
    x = 2,536.39

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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.