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Finding the Fourth Proportional to 8,346.63, 12,519.95 and 2,503.25

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Solution

The fourth proportional to 8,346.63, 12,519.95 and 2,503.25 is: 3,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.63 : 12,519.95 = 2,503.25 : x
  2. Step 2: Convert to fraction form
    8,346.63/12,519.95 = 2,503.25/x
  3. Step 3: Cross multiply
    8,346.63x = 12,519.95 × 2,503.25
  4. Step 4: Simplify right side
    8,346.63x = 31,340,564.84
  5. Step 5: Solve for x
    x = 31,340,564.84/8,346.63
  6. Step 6: Final answer
    x = 3,754.88

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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.