Home / 8,766.40-13,143.12-4,144

Finding the Fourth Proportional to 8,766.40, 13,143.12 and 4,144

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Solution

The fourth proportional to 8,766.40, 13,143.12 and 4,144 is: 6,212.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.40 : 13,143.12 = 4,144 : x
  2. Step 2: Convert to fraction form
    8,766.40/13,143.12 = 4,144/x
  3. Step 3: Cross multiply
    8,766.40x = 13,143.12 × 4,144
  4. Step 4: Simplify right side
    8,766.40x = 54,465,089.28
  5. Step 5: Solve for x
    x = 54,465,089.28/8,766.40
  6. Step 6: Final answer
    x = 6,212.94

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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.