Home / 7,213.08-10,797.68-6,440.34

Finding the Fourth Proportional to 7,213.08, 10,797.68 and 6,440.34

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Solution

The fourth proportional to 7,213.08, 10,797.68 and 6,440.34 is: 9,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.08 : 10,797.68 = 6,440.34 : x
  2. Step 2: Convert to fraction form
    7,213.08/10,797.68 = 6,440.34/x
  3. Step 3: Cross multiply
    7,213.08x = 10,797.68 × 6,440.34
  4. Step 4: Simplify right side
    7,213.08x = 69,540,730.41
  5. Step 5: Solve for x
    x = 69,540,730.41/7,213.08
  6. Step 6: Final answer
    x = 9,640.92

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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.