Home / 9,209.29-13,811.23-3,285.22

Finding the Fourth Proportional to 9,209.29, 13,811.23 and 3,285.22

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Solution

The fourth proportional to 9,209.29, 13,811.23 and 3,285.22 is: 4,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.29 : 13,811.23 = 3,285.22 : x
  2. Step 2: Convert to fraction form
    9,209.29/13,811.23 = 3,285.22/x
  3. Step 3: Cross multiply
    9,209.29x = 13,811.23 × 3,285.22
  4. Step 4: Simplify right side
    9,209.29x = 45,372,929.02
  5. Step 5: Solve for x
    x = 45,372,929.02/9,209.29
  6. Step 6: Final answer
    x = 4,926.87

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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.