Home / 6,689.12-10,033.68-5,300.96

Finding the Fourth Proportional to 6,689.12, 10,033.68 and 5,300.96

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Solution

The fourth proportional to 6,689.12, 10,033.68 and 5,300.96 is: 7,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.12 : 10,033.68 = 5,300.96 : x
  2. Step 2: Convert to fraction form
    6,689.12/10,033.68 = 5,300.96/x
  3. Step 3: Cross multiply
    6,689.12x = 10,033.68 × 5,300.96
  4. Step 4: Simplify right side
    6,689.12x = 53,188,136.33
  5. Step 5: Solve for x
    x = 53,188,136.33/6,689.12
  6. Step 6: Final answer
    x = 7,951.44

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1.5x scale

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.