Home / 4,490.10-6,195.43-2,720.68

Finding the Fourth Proportional to 4,490.10, 6,195.43 and 2,720.68

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Solution

The fourth proportional to 4,490.10, 6,195.43 and 2,720.68 is: 3,753.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.10 : 6,195.43 = 2,720.68 : x
  2. Step 2: Convert to fraction form
    4,490.10/6,195.43 = 2,720.68/x
  3. Step 3: Cross multiply
    4,490.10x = 6,195.43 × 2,720.68
  4. Step 4: Simplify right side
    4,490.10x = 16,855,782.49
  5. Step 5: Solve for x
    x = 16,855,782.49/4,490.10
  6. Step 6: Final answer
    x = 3,753.99

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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.