Home / 7,160.28-10,733.24-3,405.45

Finding the Fourth Proportional to 7,160.28, 10,733.24 and 3,405.45

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Solution

The fourth proportional to 7,160.28, 10,733.24 and 3,405.45 is: 5,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.28 : 10,733.24 = 3,405.45 : x
  2. Step 2: Convert to fraction form
    7,160.28/10,733.24 = 3,405.45/x
  3. Step 3: Cross multiply
    7,160.28x = 10,733.24 × 3,405.45
  4. Step 4: Simplify right side
    7,160.28x = 36,551,512.16
  5. Step 5: Solve for x
    x = 36,551,512.16/7,160.28
  6. Step 6: Final answer
    x = 5,104.76

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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.