Home / 8,637.88-12,956.40-2,794.36

Finding the Fourth Proportional to 8,637.88, 12,956.40 and 2,794.36

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Solution

The fourth proportional to 8,637.88, 12,956.40 and 2,794.36 is: 4,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.88 : 12,956.40 = 2,794.36 : x
  2. Step 2: Convert to fraction form
    8,637.88/12,956.40 = 2,794.36/x
  3. Step 3: Cross multiply
    8,637.88x = 12,956.40 × 2,794.36
  4. Step 4: Simplify right side
    8,637.88x = 36,204,845.90
  5. Step 5: Solve for x
    x = 36,204,845.90/8,637.88
  6. Step 6: Final answer
    x = 4,191.40

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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.