Home / 6,415.48-8,850.98-3,761.92

Finding the Fourth Proportional to 6,415.48, 8,850.98 and 3,761.92

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Solution

The fourth proportional to 6,415.48, 8,850.98 and 3,761.92 is: 5,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.48 : 8,850.98 = 3,761.92 : x
  2. Step 2: Convert to fraction form
    6,415.48/8,850.98 = 3,761.92/x
  3. Step 3: Cross multiply
    6,415.48x = 8,850.98 × 3,761.92
  4. Step 4: Simplify right side
    6,415.48x = 33,296,678.68
  5. Step 5: Solve for x
    x = 33,296,678.68/6,415.48
  6. Step 6: Final answer
    x = 5,190.05

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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.