Home / 7,358.28-11,037.90-2,739.72

Finding the Fourth Proportional to 7,358.28, 11,037.90 and 2,739.72

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Solution

The fourth proportional to 7,358.28, 11,037.90 and 2,739.72 is: 4,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.28 : 11,037.90 = 2,739.72 : x
  2. Step 2: Convert to fraction form
    7,358.28/11,037.90 = 2,739.72/x
  3. Step 3: Cross multiply
    7,358.28x = 11,037.90 × 2,739.72
  4. Step 4: Simplify right side
    7,358.28x = 30,240,755.39
  5. Step 5: Solve for x
    x = 30,240,755.39/7,358.28
  6. Step 6: Final answer
    x = 4,109.76

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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.