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Finding the Fourth Proportional to 8,576.10, 12,864.15 and 3,035.70

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Solution

The fourth proportional to 8,576.10, 12,864.15 and 3,035.70 is: 4,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.10 : 12,864.15 = 3,035.70 : x
  2. Step 2: Convert to fraction form
    8,576.10/12,864.15 = 3,035.70/x
  3. Step 3: Cross multiply
    8,576.10x = 12,864.15 × 3,035.70
  4. Step 4: Simplify right side
    8,576.10x = 39,051,700.16
  5. Step 5: Solve for x
    x = 39,051,700.16/8,576.10
  6. Step 6: Final answer
    x = 4,553.55

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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.