Home / 6,120.81-8,446.77-3,468.16

Finding the Fourth Proportional to 6,120.81, 8,446.77 and 3,468.16

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Solution

The fourth proportional to 6,120.81, 8,446.77 and 3,468.16 is: 4,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.81 : 8,446.77 = 3,468.16 : x
  2. Step 2: Convert to fraction form
    6,120.81/8,446.77 = 3,468.16/x
  3. Step 3: Cross multiply
    6,120.81x = 8,446.77 × 3,468.16
  4. Step 4: Simplify right side
    6,120.81x = 29,294,749.84
  5. Step 5: Solve for x
    x = 29,294,749.84/6,120.81
  6. Step 6: Final answer
    x = 4,786.09

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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.