Home / 5,012.52-6,918.12-2,917.88

Finding the Fourth Proportional to 5,012.52, 6,918.12 and 2,917.88

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Solution

The fourth proportional to 5,012.52, 6,918.12 and 2,917.88 is: 4,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.52 : 6,918.12 = 2,917.88 : x
  2. Step 2: Convert to fraction form
    5,012.52/6,918.12 = 2,917.88/x
  3. Step 3: Cross multiply
    5,012.52x = 6,918.12 × 2,917.88
  4. Step 4: Simplify right side
    5,012.52x = 20,186,243.99
  5. Step 5: Solve for x
    x = 20,186,243.99/5,012.52
  6. Step 6: Final answer
    x = 4,027.16

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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.