Home / 5,453.10-7,528.77-3,358.44

Finding the Fourth Proportional to 5,453.10, 7,528.77 and 3,358.44

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Solution

The fourth proportional to 5,453.10, 7,528.77 and 3,358.44 is: 4,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.10 : 7,528.77 = 3,358.44 : x
  2. Step 2: Convert to fraction form
    5,453.10/7,528.77 = 3,358.44/x
  3. Step 3: Cross multiply
    5,453.10x = 7,528.77 × 3,358.44
  4. Step 4: Simplify right side
    5,453.10x = 25,284,922.32
  5. Step 5: Solve for x
    x = 25,284,922.32/5,453.10
  6. Step 6: Final answer
    x = 4,636.80

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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.