Home / 6,895.29-9,516.49-3,870.73

Finding the Fourth Proportional to 6,895.29, 9,516.49 and 3,870.73

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Solution

The fourth proportional to 6,895.29, 9,516.49 and 3,870.73 is: 5,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.29 : 9,516.49 = 3,870.73 : x
  2. Step 2: Convert to fraction form
    6,895.29/9,516.49 = 3,870.73/x
  3. Step 3: Cross multiply
    6,895.29x = 9,516.49 × 3,870.73
  4. Step 4: Simplify right side
    6,895.29x = 36,835,743.98
  5. Step 5: Solve for x
    x = 36,835,743.98/6,895.29
  6. Step 6: Final answer
    x = 5,342.16

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Double scale
Find fourth proportional to 6,896.29, 9,517.87 and 3,871.73
Similar ratio
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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.