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Finding the Fourth Proportional to 8,583.56, 11,841.08 and 5,400.72

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Solution

The fourth proportional to 8,583.56, 11,841.08 and 5,400.72 is: 7,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.56 : 11,841.08 = 5,400.72 : x
  2. Step 2: Convert to fraction form
    8,583.56/11,841.08 = 5,400.72/x
  3. Step 3: Cross multiply
    8,583.56x = 11,841.08 × 5,400.72
  4. Step 4: Simplify right side
    8,583.56x = 63,950,357.58
  5. Step 5: Solve for x
    x = 63,950,357.58/8,583.56
  6. Step 6: Final answer
    x = 7,450.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.