Home / 7,152.74-10,730.10-2,222.78

Finding the Fourth Proportional to 7,152.74, 10,730.10 and 2,222.78

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Solution

The fourth proportional to 7,152.74, 10,730.10 and 2,222.78 is: 3,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.74 : 10,730.10 = 2,222.78 : x
  2. Step 2: Convert to fraction form
    7,152.74/10,730.10 = 2,222.78/x
  3. Step 3: Cross multiply
    7,152.74x = 10,730.10 × 2,222.78
  4. Step 4: Simplify right side
    7,152.74x = 23,850,651.68
  5. Step 5: Solve for x
    x = 23,850,651.68/7,152.74
  6. Step 6: Final answer
    x = 3,334.48

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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.