Home / 6,412.30-8,849.41-3,579.68

Finding the Fourth Proportional to 6,412.30, 8,849.41 and 3,579.68

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Solution

The fourth proportional to 6,412.30, 8,849.41 and 3,579.68 is: 4,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.30 : 8,849.41 = 3,579.68 : x
  2. Step 2: Convert to fraction form
    6,412.30/8,849.41 = 3,579.68/x
  3. Step 3: Cross multiply
    6,412.30x = 8,849.41 × 3,579.68
  4. Step 4: Simplify right side
    6,412.30x = 31,678,069.16
  5. Step 5: Solve for x
    x = 31,678,069.16/6,412.30
  6. Step 6: Final answer
    x = 4,940.21

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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.