Home / 7,538.11-11,302.99-3,382.10

Finding the Fourth Proportional to 7,538.11, 11,302.99 and 3,382.10

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Solution

The fourth proportional to 7,538.11, 11,302.99 and 3,382.10 is: 5,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.11 : 11,302.99 = 3,382.10 : x
  2. Step 2: Convert to fraction form
    7,538.11/11,302.99 = 3,382.10/x
  3. Step 3: Cross multiply
    7,538.11x = 11,302.99 × 3,382.10
  4. Step 4: Simplify right side
    7,538.11x = 38,227,902.50
  5. Step 5: Solve for x
    x = 38,227,902.50/7,538.11
  6. Step 6: Final answer
    x = 5,071.28

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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.