Home / 9,329.28-13,985.28-3,481.44

Finding the Fourth Proportional to 9,329.28, 13,985.28 and 3,481.44

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Solution

The fourth proportional to 9,329.28, 13,985.28 and 3,481.44 is: 5,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.28 : 13,985.28 = 3,481.44 : x
  2. Step 2: Convert to fraction form
    9,329.28/13,985.28 = 3,481.44/x
  3. Step 3: Cross multiply
    9,329.28x = 13,985.28 × 3,481.44
  4. Step 4: Simplify right side
    9,329.28x = 48,688,913.20
  5. Step 5: Solve for x
    x = 48,688,913.20/9,329.28
  6. Step 6: Final answer
    x = 5,218.94

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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.