Home / 9,329.61-13,995.05-3,486.09

Finding the Fourth Proportional to 9,329.61, 13,995.05 and 3,486.09

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Solution

The fourth proportional to 9,329.61, 13,995.05 and 3,486.09 is: 5,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.61 : 13,995.05 = 3,486.09 : x
  2. Step 2: Convert to fraction form
    9,329.61/13,995.05 = 3,486.09/x
  3. Step 3: Cross multiply
    9,329.61x = 13,995.05 × 3,486.09
  4. Step 4: Simplify right side
    9,329.61x = 48,788,003.85
  5. Step 5: Solve for x
    x = 48,788,003.85/9,329.61
  6. Step 6: Final answer
    x = 5,229.37

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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.