Home / 5,253.20-7,253.64-3,578.12

Finding the Fourth Proportional to 5,253.20, 7,253.64 and 3,578.12

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Solution

The fourth proportional to 5,253.20, 7,253.64 and 3,578.12 is: 4,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.20 : 7,253.64 = 3,578.12 : x
  2. Step 2: Convert to fraction form
    5,253.20/7,253.64 = 3,578.12/x
  3. Step 3: Cross multiply
    5,253.20x = 7,253.64 × 3,578.12
  4. Step 4: Simplify right side
    5,253.20x = 25,954,394.36
  5. Step 5: Solve for x
    x = 25,954,394.36/5,253.20
  6. Step 6: Final answer
    x = 4,940.68

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1.5x scale

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.