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Finding the Fourth Proportional to 8,503.30, 12,754.95 and 2,659.93

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Solution

The fourth proportional to 8,503.30, 12,754.95 and 2,659.93 is: 3,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.30 : 12,754.95 = 2,659.93 : x
  2. Step 2: Convert to fraction form
    8,503.30/12,754.95 = 2,659.93/x
  3. Step 3: Cross multiply
    8,503.30x = 12,754.95 × 2,659.93
  4. Step 4: Simplify right side
    8,503.30x = 33,927,274.15
  5. Step 5: Solve for x
    x = 33,927,274.15/8,503.30
  6. Step 6: Final answer
    x = 3,989.90

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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.