Home / 5,538.36-8,319.60-3,348.12

Finding the Fourth Proportional to 5,538.36, 8,319.60 and 3,348.12

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Solution

The fourth proportional to 5,538.36, 8,319.60 and 3,348.12 is: 5,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.36 : 8,319.60 = 3,348.12 : x
  2. Step 2: Convert to fraction form
    5,538.36/8,319.60 = 3,348.12/x
  3. Step 3: Cross multiply
    5,538.36x = 8,319.60 × 3,348.12
  4. Step 4: Simplify right side
    5,538.36x = 27,855,019.15
  5. Step 5: Solve for x
    x = 27,855,019.15/5,538.36
  6. Step 6: Final answer
    x = 5,029.47

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1.5x scale

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.