Home / 7,455.57-11,180.58-2,189.13

Finding the Fourth Proportional to 7,455.57, 11,180.58 and 2,189.13

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Solution

The fourth proportional to 7,455.57, 11,180.58 and 2,189.13 is: 3,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.57 : 11,180.58 = 2,189.13 : x
  2. Step 2: Convert to fraction form
    7,455.57/11,180.58 = 2,189.13/x
  3. Step 3: Cross multiply
    7,455.57x = 11,180.58 × 2,189.13
  4. Step 4: Simplify right side
    7,455.57x = 24,475,687.19
  5. Step 5: Solve for x
    x = 24,475,687.19/7,455.57
  6. Step 6: Final answer
    x = 3,282.87

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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.