Home / 8,486.18-12,730.59-4,103.94

Finding the Fourth Proportional to 8,486.18, 12,730.59 and 4,103.94

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Solution

The fourth proportional to 8,486.18, 12,730.59 and 4,103.94 is: 6,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.18 : 12,730.59 = 4,103.94 : x
  2. Step 2: Convert to fraction form
    8,486.18/12,730.59 = 4,103.94/x
  3. Step 3: Cross multiply
    8,486.18x = 12,730.59 × 4,103.94
  4. Step 4: Simplify right side
    8,486.18x = 52,245,577.52
  5. Step 5: Solve for x
    x = 52,245,577.52/8,486.18
  6. Step 6: Final answer
    x = 6,156.55

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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.