Home / 8,878.81-13,313.96-4,194.92

Finding the Fourth Proportional to 8,878.81, 13,313.96 and 4,194.92

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Solution

The fourth proportional to 8,878.81, 13,313.96 and 4,194.92 is: 6,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.81 : 13,313.96 = 4,194.92 : x
  2. Step 2: Convert to fraction form
    8,878.81/13,313.96 = 4,194.92/x
  3. Step 3: Cross multiply
    8,878.81x = 13,313.96 × 4,194.92
  4. Step 4: Simplify right side
    8,878.81x = 55,850,997.08
  5. Step 5: Solve for x
    x = 55,850,997.08/8,878.81
  6. Step 6: Final answer
    x = 6,290.37

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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.