Home / 8,257.90-12,387.27-2,335.21

Finding the Fourth Proportional to 8,257.90, 12,387.27 and 2,335.21

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Solution

The fourth proportional to 8,257.90, 12,387.27 and 2,335.21 is: 3,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.90 : 12,387.27 = 2,335.21 : x
  2. Step 2: Convert to fraction form
    8,257.90/12,387.27 = 2,335.21/x
  3. Step 3: Cross multiply
    8,257.90x = 12,387.27 × 2,335.21
  4. Step 4: Simplify right side
    8,257.90x = 28,926,907.74
  5. Step 5: Solve for x
    x = 28,926,907.74/8,257.90
  6. Step 6: Final answer
    x = 3,502.94

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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.