Home / 7,344.15-11,012.99-2,148.81

Finding the Fourth Proportional to 7,344.15, 11,012.99 and 2,148.81

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Solution

The fourth proportional to 7,344.15, 11,012.99 and 2,148.81 is: 3,222.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.15 : 11,012.99 = 2,148.81 : x
  2. Step 2: Convert to fraction form
    7,344.15/11,012.99 = 2,148.81/x
  3. Step 3: Cross multiply
    7,344.15x = 11,012.99 × 2,148.81
  4. Step 4: Simplify right side
    7,344.15x = 23,664,812.30
  5. Step 5: Solve for x
    x = 23,664,812.30/7,344.15
  6. Step 6: Final answer
    x = 3,222.27

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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.