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Finding the Fourth Proportional to 8,768.66, 13,153.11 and 4,897.70

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Solution

The fourth proportional to 8,768.66, 13,153.11 and 4,897.70 is: 7,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.66 : 13,153.11 = 4,897.70 : x
  2. Step 2: Convert to fraction form
    8,768.66/13,153.11 = 4,897.70/x
  3. Step 3: Cross multiply
    8,768.66x = 13,153.11 × 4,897.70
  4. Step 4: Simplify right side
    8,768.66x = 64,419,986.85
  5. Step 5: Solve for x
    x = 64,419,986.85/8,768.66
  6. Step 6: Final answer
    x = 7,346.62

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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.