Home / 5,283.76-7,926.36-2,685.28

Finding the Fourth Proportional to 5,283.76, 7,926.36 and 2,685.28

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Solution

The fourth proportional to 5,283.76, 7,926.36 and 2,685.28 is: 4,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.76 : 7,926.36 = 2,685.28 : x
  2. Step 2: Convert to fraction form
    5,283.76/7,926.36 = 2,685.28/x
  3. Step 3: Cross multiply
    5,283.76x = 7,926.36 × 2,685.28
  4. Step 4: Simplify right side
    5,283.76x = 21,284,495.98
  5. Step 5: Solve for x
    x = 21,284,495.98/5,283.76
  6. Step 6: Final answer
    x = 4,028.29

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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.