Home / 7,165.40-10,751.30-3,267.80

Finding the Fourth Proportional to 7,165.40, 10,751.30 and 3,267.80

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Solution

The fourth proportional to 7,165.40, 10,751.30 and 3,267.80 is: 4,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.40 : 10,751.30 = 3,267.80 : x
  2. Step 2: Convert to fraction form
    7,165.40/10,751.30 = 3,267.80/x
  3. Step 3: Cross multiply
    7,165.40x = 10,751.30 × 3,267.80
  4. Step 4: Simplify right side
    7,165.40x = 35,133,098.14
  5. Step 5: Solve for x
    x = 35,133,098.14/7,165.40
  6. Step 6: Final answer
    x = 4,903.16

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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.