Home / 5,013.28-6,918.72-2,917.52

Finding the Fourth Proportional to 5,013.28, 6,918.72 and 2,917.52

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Solution

The fourth proportional to 5,013.28, 6,918.72 and 2,917.52 is: 4,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.28 : 6,918.72 = 2,917.52 : x
  2. Step 2: Convert to fraction form
    5,013.28/6,918.72 = 2,917.52/x
  3. Step 3: Cross multiply
    5,013.28x = 6,918.72 × 2,917.52
  4. Step 4: Simplify right side
    5,013.28x = 20,185,503.97
  5. Step 5: Solve for x
    x = 20,185,503.97/5,013.28
  6. Step 6: Final answer
    x = 4,026.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.