Home / 5,315.22-7,973.64-2,717.28

Finding the Fourth Proportional to 5,315.22, 7,973.64 and 2,717.28

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Solution

The fourth proportional to 5,315.22, 7,973.64 and 2,717.28 is: 4,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.22 : 7,973.64 = 2,717.28 : x
  2. Step 2: Convert to fraction form
    5,315.22/7,973.64 = 2,717.28/x
  3. Step 3: Cross multiply
    5,315.22x = 7,973.64 × 2,717.28
  4. Step 4: Simplify right side
    5,315.22x = 21,666,612.50
  5. Step 5: Solve for x
    x = 21,666,612.50/5,315.22
  6. Step 6: Final answer
    x = 4,076.33

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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.