Home / 6,917.36-10,376.63-2,968.80

Finding the Fourth Proportional to 6,917.36, 10,376.63 and 2,968.80

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Solution

The fourth proportional to 6,917.36, 10,376.63 and 2,968.80 is: 4,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.36 : 10,376.63 = 2,968.80 : x
  2. Step 2: Convert to fraction form
    6,917.36/10,376.63 = 2,968.80/x
  3. Step 3: Cross multiply
    6,917.36x = 10,376.63 × 2,968.80
  4. Step 4: Simplify right side
    6,917.36x = 30,806,124.30
  5. Step 5: Solve for x
    x = 30,806,124.30/6,917.36
  6. Step 6: Final answer
    x = 4,453.45

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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.