Home / 7,084.09-10,627.41-2,921.78

Finding the Fourth Proportional to 7,084.09, 10,627.41 and 2,921.78

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Solution

The fourth proportional to 7,084.09, 10,627.41 and 2,921.78 is: 4,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.09 : 10,627.41 = 2,921.78 : x
  2. Step 2: Convert to fraction form
    7,084.09/10,627.41 = 2,921.78/x
  3. Step 3: Cross multiply
    7,084.09x = 10,627.41 × 2,921.78
  4. Step 4: Simplify right side
    7,084.09x = 31,050,900.85
  5. Step 5: Solve for x
    x = 31,050,900.85/7,084.09
  6. Step 6: Final answer
    x = 4,383.19

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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.