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Finding the Fourth Proportional to 6,679.80, 10,024.88 and 2,520.88

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Solution

The fourth proportional to 6,679.80, 10,024.88 and 2,520.88 is: 3,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.80 : 10,024.88 = 2,520.88 : x
  2. Step 2: Convert to fraction form
    6,679.80/10,024.88 = 2,520.88/x
  3. Step 3: Cross multiply
    6,679.80x = 10,024.88 × 2,520.88
  4. Step 4: Simplify right side
    6,679.80x = 25,271,519.49
  5. Step 5: Solve for x
    x = 25,271,519.49/6,679.80
  6. Step 6: Final answer
    x = 3,783.27

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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.