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Finding the Fourth Proportional to 6,684.80, 10,027.20 and 2,300.80

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Solution

The fourth proportional to 6,684.80, 10,027.20 and 2,300.80 is: 3,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,684.80 : 10,027.20 = 2,300.80 : x
  2. Step 2: Convert to fraction form
    6,684.80/10,027.20 = 2,300.80/x
  3. Step 3: Cross multiply
    6,684.80x = 10,027.20 × 2,300.80
  4. Step 4: Simplify right side
    6,684.80x = 23,070,581.76
  5. Step 5: Solve for x
    x = 23,070,581.76/6,684.80
  6. Step 6: Final answer
    x = 3,451.20

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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.