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Finding the Fourth Proportional to 8,964.63, 13,448.76 and 3,770.50

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Solution

The fourth proportional to 8,964.63, 13,448.76 and 3,770.50 is: 5,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.63 : 13,448.76 = 3,770.50 : x
  2. Step 2: Convert to fraction form
    8,964.63/13,448.76 = 3,770.50/x
  3. Step 3: Cross multiply
    8,964.63x = 13,448.76 × 3,770.50
  4. Step 4: Simplify right side
    8,964.63x = 50,708,549.58
  5. Step 5: Solve for x
    x = 50,708,549.58/8,964.63
  6. Step 6: Final answer
    x = 5,656.51

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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.