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Finding the Fourth Proportional to 8,235.56, 12,356.24 and 5,473.20

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Solution

The fourth proportional to 8,235.56, 12,356.24 and 5,473.20 is: 8,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.56 : 12,356.24 = 5,473.20 : x
  2. Step 2: Convert to fraction form
    8,235.56/12,356.24 = 5,473.20/x
  3. Step 3: Cross multiply
    8,235.56x = 12,356.24 × 5,473.20
  4. Step 4: Simplify right side
    8,235.56x = 67,628,172.77
  5. Step 5: Solve for x
    x = 67,628,172.77/8,235.56
  6. Step 6: Final answer
    x = 8,211.73

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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.