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Finding the Fourth Proportional to 4,329, 6,493.51 and 1,209.02

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Solution

The fourth proportional to 4,329, 6,493.51 and 1,209.02 is: 1,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329 : 6,493.51 = 1,209.02 : x
  2. Step 2: Convert to fraction form
    4,329/6,493.51 = 1,209.02/x
  3. Step 3: Cross multiply
    4,329x = 6,493.51 × 1,209.02
  4. Step 4: Simplify right side
    4,329x = 7,850,783.46
  5. Step 5: Solve for x
    x = 7,850,783.46/4,329
  6. Step 6: Final answer
    x = 1,813.53

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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.