Home / 8,188.34-12,274.58-2,637.91

Finding the Fourth Proportional to 8,188.34, 12,274.58 and 2,637.91

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Solution

The fourth proportional to 8,188.34, 12,274.58 and 2,637.91 is: 3,954.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.34 : 12,274.58 = 2,637.91 : x
  2. Step 2: Convert to fraction form
    8,188.34/12,274.58 = 2,637.91/x
  3. Step 3: Cross multiply
    8,188.34x = 12,274.58 × 2,637.91
  4. Step 4: Simplify right side
    8,188.34x = 32,379,259.27
  5. Step 5: Solve for x
    x = 32,379,259.27/8,188.34
  6. Step 6: Final answer
    x = 3,954.32

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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.