Home / 7,486.12-11,224.70-3,538.38

Finding the Fourth Proportional to 7,486.12, 11,224.70 and 3,538.38

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Solution

The fourth proportional to 7,486.12, 11,224.70 and 3,538.38 is: 5,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.12 : 11,224.70 = 3,538.38 : x
  2. Step 2: Convert to fraction form
    7,486.12/11,224.70 = 3,538.38/x
  3. Step 3: Cross multiply
    7,486.12x = 11,224.70 × 3,538.38
  4. Step 4: Simplify right side
    7,486.12x = 39,717,253.99
  5. Step 5: Solve for x
    x = 39,717,253.99/7,486.12
  6. Step 6: Final answer
    x = 5,305.45

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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.