Home / 4,627.09-6,390.05-2,949.29

Finding the Fourth Proportional to 4,627.09, 6,390.05 and 2,949.29

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Solution

The fourth proportional to 4,627.09, 6,390.05 and 2,949.29 is: 4,072.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.09 : 6,390.05 = 2,949.29 : x
  2. Step 2: Convert to fraction form
    4,627.09/6,390.05 = 2,949.29/x
  3. Step 3: Cross multiply
    4,627.09x = 6,390.05 × 2,949.29
  4. Step 4: Simplify right side
    4,627.09x = 18,846,063.87
  5. Step 5: Solve for x
    x = 18,846,063.87/4,627.09
  6. Step 6: Final answer
    x = 4,072.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.