Home / 7,343.42-11,015.22-2,149.40

Finding the Fourth Proportional to 7,343.42, 11,015.22 and 2,149.40

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Solution

The fourth proportional to 7,343.42, 11,015.22 and 2,149.40 is: 3,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.42 : 11,015.22 = 2,149.40 : x
  2. Step 2: Convert to fraction form
    7,343.42/11,015.22 = 2,149.40/x
  3. Step 3: Cross multiply
    7,343.42x = 11,015.22 × 2,149.40
  4. Step 4: Simplify right side
    7,343.42x = 23,676,113.87
  5. Step 5: Solve for x
    x = 23,676,113.87/7,343.42
  6. Step 6: Final answer
    x = 3,224.13

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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.