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Finding the Fourth Proportional to 8,503.38, 12,755.08 and 2,956.76

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Solution

The fourth proportional to 8,503.38, 12,755.08 and 2,956.76 is: 4,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.38 : 12,755.08 = 2,956.76 : x
  2. Step 2: Convert to fraction form
    8,503.38/12,755.08 = 2,956.76/x
  3. Step 3: Cross multiply
    8,503.38x = 12,755.08 × 2,956.76
  4. Step 4: Simplify right side
    8,503.38x = 37,713,710.34
  5. Step 5: Solve for x
    x = 37,713,710.34/8,503.38
  6. Step 6: Final answer
    x = 4,435.14

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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.