Home / 7,098.68-10,651.32-3,638.36

Finding the Fourth Proportional to 7,098.68, 10,651.32 and 3,638.36

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Solution

The fourth proportional to 7,098.68, 10,651.32 and 3,638.36 is: 5,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.68 : 10,651.32 = 3,638.36 : x
  2. Step 2: Convert to fraction form
    7,098.68/10,651.32 = 3,638.36/x
  3. Step 3: Cross multiply
    7,098.68x = 10,651.32 × 3,638.36
  4. Step 4: Simplify right side
    7,098.68x = 38,753,336.64
  5. Step 5: Solve for x
    x = 38,753,336.64/7,098.68
  6. Step 6: Final answer
    x = 5,459.23

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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.