Home / 7,371.06-11,056.51-2,987.47

Finding the Fourth Proportional to 7,371.06, 11,056.51 and 2,987.47

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Solution

The fourth proportional to 7,371.06, 11,056.51 and 2,987.47 is: 4,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.06 : 11,056.51 = 2,987.47 : x
  2. Step 2: Convert to fraction form
    7,371.06/11,056.51 = 2,987.47/x
  3. Step 3: Cross multiply
    7,371.06x = 11,056.51 × 2,987.47
  4. Step 4: Simplify right side
    7,371.06x = 33,030,991.93
  5. Step 5: Solve for x
    x = 33,030,991.93/7,371.06
  6. Step 6: Final answer
    x = 4,481.17

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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.