Home / 7,289.21-10,935.30-2,906.30

Finding the Fourth Proportional to 7,289.21, 10,935.30 and 2,906.30

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Solution

The fourth proportional to 7,289.21, 10,935.30 and 2,906.30 is: 4,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.21 : 10,935.30 = 2,906.30 : x
  2. Step 2: Convert to fraction form
    7,289.21/10,935.30 = 2,906.30/x
  3. Step 3: Cross multiply
    7,289.21x = 10,935.30 × 2,906.30
  4. Step 4: Simplify right side
    7,289.21x = 31,781,262.39
  5. Step 5: Solve for x
    x = 31,781,262.39/7,289.21
  6. Step 6: Final answer
    x = 4,360.04

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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.