Home / 6,919.94-9,549.66-3,776.12

Finding the Fourth Proportional to 6,919.94, 9,549.66 and 3,776.12

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Solution

The fourth proportional to 6,919.94, 9,549.66 and 3,776.12 is: 5,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.94 : 9,549.66 = 3,776.12 : x
  2. Step 2: Convert to fraction form
    6,919.94/9,549.66 = 3,776.12/x
  3. Step 3: Cross multiply
    6,919.94x = 9,549.66 × 3,776.12
  4. Step 4: Simplify right side
    6,919.94x = 36,060,662.12
  5. Step 5: Solve for x
    x = 36,060,662.12/6,919.94
  6. Step 6: Final answer
    x = 5,211.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.