Home / 7,586.74-11,379.97-2,905.48

Finding the Fourth Proportional to 7,586.74, 11,379.97 and 2,905.48

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Solution

The fourth proportional to 7,586.74, 11,379.97 and 2,905.48 is: 4,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.74 : 11,379.97 = 2,905.48 : x
  2. Step 2: Convert to fraction form
    7,586.74/11,379.97 = 2,905.48/x
  3. Step 3: Cross multiply
    7,586.74x = 11,379.97 × 2,905.48
  4. Step 4: Simplify right side
    7,586.74x = 33,064,275.24
  5. Step 5: Solve for x
    x = 33,064,275.24/7,586.74
  6. Step 6: Final answer
    x = 4,358.17

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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.