Home / 4,329.79-6,486.52-2,135.95

Finding the Fourth Proportional to 4,329.79, 6,486.52 and 2,135.95

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Solution

The fourth proportional to 4,329.79, 6,486.52 and 2,135.95 is: 3,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.79 : 6,486.52 = 2,135.95 : x
  2. Step 2: Convert to fraction form
    4,329.79/6,486.52 = 2,135.95/x
  3. Step 3: Cross multiply
    4,329.79x = 6,486.52 × 2,135.95
  4. Step 4: Simplify right side
    4,329.79x = 13,854,882.39
  5. Step 5: Solve for x
    x = 13,854,882.39/4,329.79
  6. Step 6: Final answer
    x = 3,199.90

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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.