Home / 6,718.16-10,072.56-2,819.36

Finding the Fourth Proportional to 6,718.16, 10,072.56 and 2,819.36

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Solution

The fourth proportional to 6,718.16, 10,072.56 and 2,819.36 is: 4,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.16 : 10,072.56 = 2,819.36 : x
  2. Step 2: Convert to fraction form
    6,718.16/10,072.56 = 2,819.36/x
  3. Step 3: Cross multiply
    6,718.16x = 10,072.56 × 2,819.36
  4. Step 4: Simplify right side
    6,718.16x = 28,398,172.76
  5. Step 5: Solve for x
    x = 28,398,172.76/6,718.16
  6. Step 6: Final answer
    x = 4,227.08

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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.