Home / 7,084.45-10,630.78-2,923.68

Finding the Fourth Proportional to 7,084.45, 10,630.78 and 2,923.68

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Solution

The fourth proportional to 7,084.45, 10,630.78 and 2,923.68 is: 4,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.45 : 10,630.78 = 2,923.68 : x
  2. Step 2: Convert to fraction form
    7,084.45/10,630.78 = 2,923.68/x
  3. Step 3: Cross multiply
    7,084.45x = 10,630.78 × 2,923.68
  4. Step 4: Simplify right side
    7,084.45x = 31,080,998.87
  5. Step 5: Solve for x
    x = 31,080,998.87/7,084.45
  6. Step 6: Final answer
    x = 4,387.21

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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.