Home / 4,389.21-6,057.09-2,620.71

Finding the Fourth Proportional to 4,389.21, 6,057.09 and 2,620.71

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Solution

The fourth proportional to 4,389.21, 6,057.09 and 2,620.71 is: 3,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.21 : 6,057.09 = 2,620.71 : x
  2. Step 2: Convert to fraction form
    4,389.21/6,057.09 = 2,620.71/x
  3. Step 3: Cross multiply
    4,389.21x = 6,057.09 × 2,620.71
  4. Step 4: Simplify right side
    4,389.21x = 15,873,876.33
  5. Step 5: Solve for x
    x = 15,873,876.33/4,389.21
  6. Step 6: Final answer
    x = 3,616.57

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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.