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Finding the Fourth Proportional to 8,768.88, 13,151.04 and 6,159.60

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Solution

The fourth proportional to 8,768.88, 13,151.04 and 6,159.60 is: 9,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.88 : 13,151.04 = 6,159.60 : x
  2. Step 2: Convert to fraction form
    8,768.88/13,151.04 = 6,159.60/x
  3. Step 3: Cross multiply
    8,768.88x = 13,151.04 × 6,159.60
  4. Step 4: Simplify right side
    8,768.88x = 81,005,145.98
  5. Step 5: Solve for x
    x = 81,005,145.98/8,768.88
  6. Step 6: Final answer
    x = 9,237.80

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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.