Home / 7,382.12-11,075.36-2,188.14

Finding the Fourth Proportional to 7,382.12, 11,075.36 and 2,188.14

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Solution

The fourth proportional to 7,382.12, 11,075.36 and 2,188.14 is: 3,282.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.12 : 11,075.36 = 2,188.14 : x
  2. Step 2: Convert to fraction form
    7,382.12/11,075.36 = 2,188.14/x
  3. Step 3: Cross multiply
    7,382.12x = 11,075.36 × 2,188.14
  4. Step 4: Simplify right side
    7,382.12x = 24,234,438.23
  5. Step 5: Solve for x
    x = 24,234,438.23/7,382.12
  6. Step 6: Final answer
    x = 3,282.86

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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.