Home / 7,586.39-11,371.79-2,905.13

Finding the Fourth Proportional to 7,586.39, 11,371.79 and 2,905.13

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Solution

The fourth proportional to 7,586.39, 11,371.79 and 2,905.13 is: 4,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.39 : 11,371.79 = 2,905.13 : x
  2. Step 2: Convert to fraction form
    7,586.39/11,371.79 = 2,905.13/x
  3. Step 3: Cross multiply
    7,586.39x = 11,371.79 × 2,905.13
  4. Step 4: Simplify right side
    7,586.39x = 33,036,563.98
  5. Step 5: Solve for x
    x = 33,036,563.98/7,586.39
  6. Step 6: Final answer
    x = 4,354.71

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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.