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Finding the Fourth Proportional to 8,777.52, 13,166.28 and 3,583.80

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Solution

The fourth proportional to 8,777.52, 13,166.28 and 3,583.80 is: 5,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.52 : 13,166.28 = 3,583.80 : x
  2. Step 2: Convert to fraction form
    8,777.52/13,166.28 = 3,583.80/x
  3. Step 3: Cross multiply
    8,777.52x = 13,166.28 × 3,583.80
  4. Step 4: Simplify right side
    8,777.52x = 47,185,314.26
  5. Step 5: Solve for x
    x = 47,185,314.26/8,777.52
  6. Step 6: Final answer
    x = 5,375.70

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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.