Home / 7,336.86-11,004.81-2,142.30

Finding the Fourth Proportional to 7,336.86, 11,004.81 and 2,142.30

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Solution

The fourth proportional to 7,336.86, 11,004.81 and 2,142.30 is: 3,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.86 : 11,004.81 = 2,142.30 : x
  2. Step 2: Convert to fraction form
    7,336.86/11,004.81 = 2,142.30/x
  3. Step 3: Cross multiply
    7,336.86x = 11,004.81 × 2,142.30
  4. Step 4: Simplify right side
    7,336.86x = 23,575,604.46
  5. Step 5: Solve for x
    x = 23,575,604.46/7,336.86
  6. Step 6: Final answer
    x = 3,213.31

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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.