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Finding the Fourth Proportional to 6,955.64, 10,426.17 and 3,254.75

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Solution

The fourth proportional to 6,955.64, 10,426.17 and 3,254.75 is: 4,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.64 : 10,426.17 = 3,254.75 : x
  2. Step 2: Convert to fraction form
    6,955.64/10,426.17 = 3,254.75/x
  3. Step 3: Cross multiply
    6,955.64x = 10,426.17 × 3,254.75
  4. Step 4: Simplify right side
    6,955.64x = 33,934,576.81
  5. Step 5: Solve for x
    x = 33,934,576.81/6,955.64
  6. Step 6: Final answer
    x = 4,878.71

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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.