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Finding the Fourth Proportional to 8,576.70, 11,836.28 and 5,041.05

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Solution

The fourth proportional to 8,576.70, 11,836.28 and 5,041.05 is: 6,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.70 : 11,836.28 = 5,041.05 : x
  2. Step 2: Convert to fraction form
    8,576.70/11,836.28 = 5,041.05/x
  3. Step 3: Cross multiply
    8,576.70x = 11,836.28 × 5,041.05
  4. Step 4: Simplify right side
    8,576.70x = 59,667,194.91
  5. Step 5: Solve for x
    x = 59,667,194.91/8,576.70
  6. Step 6: Final answer
    x = 6,956.90

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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.