Home / 6,895.28-9,516.46-3,911.86

Finding the Fourth Proportional to 6,895.28, 9,516.46 and 3,911.86

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Solution

The fourth proportional to 6,895.28, 9,516.46 and 3,911.86 is: 5,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.28 : 9,516.46 = 3,911.86 : x
  2. Step 2: Convert to fraction form
    6,895.28/9,516.46 = 3,911.86/x
  3. Step 3: Cross multiply
    6,895.28x = 9,516.46 × 3,911.86
  4. Step 4: Simplify right side
    6,895.28x = 37,227,059.22
  5. Step 5: Solve for x
    x = 37,227,059.22/6,895.28
  6. Step 6: Final answer
    x = 5,398.92

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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.