Home / 7,784.36-11,674.92-3,101.48

Finding the Fourth Proportional to 7,784.36, 11,674.92 and 3,101.48

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Solution

The fourth proportional to 7,784.36, 11,674.92 and 3,101.48 is: 4,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.36 : 11,674.92 = 3,101.48 : x
  2. Step 2: Convert to fraction form
    7,784.36/11,674.92 = 3,101.48/x
  3. Step 3: Cross multiply
    7,784.36x = 11,674.92 × 3,101.48
  4. Step 4: Simplify right side
    7,784.36x = 36,209,530.88
  5. Step 5: Solve for x
    x = 36,209,530.88/7,784.36
  6. Step 6: Final answer
    x = 4,651.57

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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.