Home / 7,340.01-11,010.21-2,145.88

Finding the Fourth Proportional to 7,340.01, 11,010.21 and 2,145.88

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Solution

The fourth proportional to 7,340.01, 11,010.21 and 2,145.88 is: 3,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.01 : 11,010.21 = 2,145.88 : x
  2. Step 2: Convert to fraction form
    7,340.01/11,010.21 = 2,145.88/x
  3. Step 3: Cross multiply
    7,340.01x = 11,010.21 × 2,145.88
  4. Step 4: Simplify right side
    7,340.01x = 23,626,589.43
  5. Step 5: Solve for x
    x = 23,626,589.43/7,340.01
  6. Step 6: Final answer
    x = 3,218.88

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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.