Home / 8,663.42-12,996.09-2,818.94

Finding the Fourth Proportional to 8,663.42, 12,996.09 and 2,818.94

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Solution

The fourth proportional to 8,663.42, 12,996.09 and 2,818.94 is: 4,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663.42 : 12,996.09 = 2,818.94 : x
  2. Step 2: Convert to fraction form
    8,663.42/12,996.09 = 2,818.94/x
  3. Step 3: Cross multiply
    8,663.42x = 12,996.09 × 2,818.94
  4. Step 4: Simplify right side
    8,663.42x = 36,635,197.94
  5. Step 5: Solve for x
    x = 36,635,197.94/8,663.42
  6. Step 6: Final answer
    x = 4,228.72

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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.