Home / 8,743.41-13,111.20-2,818.46

Finding the Fourth Proportional to 8,743.41, 13,111.20 and 2,818.46

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Solution

The fourth proportional to 8,743.41, 13,111.20 and 2,818.46 is: 4,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.41 : 13,111.20 = 2,818.46 : x
  2. Step 2: Convert to fraction form
    8,743.41/13,111.20 = 2,818.46/x
  3. Step 3: Cross multiply
    8,743.41x = 13,111.20 × 2,818.46
  4. Step 4: Simplify right side
    8,743.41x = 36,953,425.53
  5. Step 5: Solve for x
    x = 36,953,425.53/8,743.41
  6. Step 6: Final answer
    x = 4,226.43

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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.