Home / 7,344.20-11,003.70-3,440.60

Finding the Fourth Proportional to 7,344.20, 11,003.70 and 3,440.60

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Solution

The fourth proportional to 7,344.20, 11,003.70 and 3,440.60 is: 5,155.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.20 : 11,003.70 = 3,440.60 : x
  2. Step 2: Convert to fraction form
    7,344.20/11,003.70 = 3,440.60/x
  3. Step 3: Cross multiply
    7,344.20x = 11,003.70 × 3,440.60
  4. Step 4: Simplify right side
    7,344.20x = 37,859,330.22
  5. Step 5: Solve for x
    x = 37,859,330.22/7,344.20
  6. Step 6: Final answer
    x = 5,155.00

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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.