Home / 5,173.81-7,761.71-2,053.20

Finding the Fourth Proportional to 5,173.81, 7,761.71 and 2,053.20

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Solution

The fourth proportional to 5,173.81, 7,761.71 and 2,053.20 is: 3,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.81 : 7,761.71 = 2,053.20 : x
  2. Step 2: Convert to fraction form
    5,173.81/7,761.71 = 2,053.20/x
  3. Step 3: Cross multiply
    5,173.81x = 7,761.71 × 2,053.20
  4. Step 4: Simplify right side
    5,173.81x = 15,936,342.97
  5. Step 5: Solve for x
    x = 15,936,342.97/5,173.81
  6. Step 6: Final answer
    x = 3,080.19

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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.