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Finding the Fourth Proportional to 8,576.88, 12,867.47 and 2,420.88

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Solution

The fourth proportional to 8,576.88, 12,867.47 and 2,420.88 is: 3,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.88 : 12,867.47 = 2,420.88 : x
  2. Step 2: Convert to fraction form
    8,576.88/12,867.47 = 2,420.88/x
  3. Step 3: Cross multiply
    8,576.88x = 12,867.47 × 2,420.88
  4. Step 4: Simplify right side
    8,576.88x = 31,150,600.77
  5. Step 5: Solve for x
    x = 31,150,600.77/8,576.88
  6. Step 6: Final answer
    x = 3,631.93

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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.