Home / 6,375.36-8,798.39-3,542.75

Finding the Fourth Proportional to 6,375.36, 8,798.39 and 3,542.75

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Solution

The fourth proportional to 6,375.36, 8,798.39 and 3,542.75 is: 4,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.36 : 8,798.39 = 3,542.75 : x
  2. Step 2: Convert to fraction form
    6,375.36/8,798.39 = 3,542.75/x
  3. Step 3: Cross multiply
    6,375.36x = 8,798.39 × 3,542.75
  4. Step 4: Simplify right side
    6,375.36x = 31,170,500.45
  5. Step 5: Solve for x
    x = 31,170,500.45/6,375.36
  6. Step 6: Final answer
    x = 4,889.21

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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.