Home / 8,193.40-12,281.84-3,516.46

Finding the Fourth Proportional to 8,193.40, 12,281.84 and 3,516.46

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Solution

The fourth proportional to 8,193.40, 12,281.84 and 3,516.46 is: 5,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.40 : 12,281.84 = 3,516.46 : x
  2. Step 2: Convert to fraction form
    8,193.40/12,281.84 = 3,516.46/x
  3. Step 3: Cross multiply
    8,193.40x = 12,281.84 × 3,516.46
  4. Step 4: Simplify right side
    8,193.40x = 43,188,599.09
  5. Step 5: Solve for x
    x = 43,188,599.09/8,193.40
  6. Step 6: Final answer
    x = 5,271.14

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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.