Home / 7,216.34-10,815.68-4,098.96

Finding the Fourth Proportional to 7,216.34, 10,815.68 and 4,098.96

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Solution

The fourth proportional to 7,216.34, 10,815.68 and 4,098.96 is: 6,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.34 : 10,815.68 = 4,098.96 : x
  2. Step 2: Convert to fraction form
    7,216.34/10,815.68 = 4,098.96/x
  3. Step 3: Cross multiply
    7,216.34x = 10,815.68 × 4,098.96
  4. Step 4: Simplify right side
    7,216.34x = 44,333,019.20
  5. Step 5: Solve for x
    x = 44,333,019.20/7,216.34
  6. Step 6: Final answer
    x = 6,143.43

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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.