Home / 5,012-6,917.72-2,917.36

Finding the Fourth Proportional to 5,012, 6,917.72 and 2,917.36

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Solution

The fourth proportional to 5,012, 6,917.72 and 2,917.36 is: 4,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012 : 6,917.72 = 2,917.36 : x
  2. Step 2: Convert to fraction form
    5,012/6,917.72 = 2,917.36/x
  3. Step 3: Cross multiply
    5,012x = 6,917.72 × 2,917.36
  4. Step 4: Simplify right side
    5,012x = 20,181,479.62
  5. Step 5: Solve for x
    x = 20,181,479.62/5,012
  6. Step 6: Final answer
    x = 4,026.63

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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.