Home / 6,172.48-8,520.77-3,937.36

Finding the Fourth Proportional to 6,172.48, 8,520.77 and 3,937.36

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Solution

The fourth proportional to 6,172.48, 8,520.77 and 3,937.36 is: 5,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.48 : 8,520.77 = 3,937.36 : x
  2. Step 2: Convert to fraction form
    6,172.48/8,520.77 = 3,937.36/x
  3. Step 3: Cross multiply
    6,172.48x = 8,520.77 × 3,937.36
  4. Step 4: Simplify right side
    6,172.48x = 33,549,338.97
  5. Step 5: Solve for x
    x = 33,549,338.97/6,172.48
  6. Step 6: Final answer
    x = 5,435.31

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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.