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Finding the Fourth Proportional to 6,704.20, 10,046.40 and 4,859.20

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Solution

The fourth proportional to 6,704.20, 10,046.40 and 4,859.20 is: 7,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,704.20 : 10,046.40 = 4,859.20 : x
  2. Step 2: Convert to fraction form
    6,704.20/10,046.40 = 4,859.20/x
  3. Step 3: Cross multiply
    6,704.20x = 10,046.40 × 4,859.20
  4. Step 4: Simplify right side
    6,704.20x = 48,817,466.88
  5. Step 5: Solve for x
    x = 48,817,466.88/6,704.20
  6. Step 6: Final answer
    x = 7,281.62

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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.